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[ASA-201807-4] thunderbird: multiple issues
by Morten Linderud 17 Jul '18

17 Jul '18

Arch Linux Security Advisory ASA-201807-4 ========================================= Severity: Critical Date : 2018-07-16 CVE-ID : CVE-2018-5188 CVE-2018-12359 CVE-2018-12360 CVE-2018-12362 CVE-2018-12363 CVE-2018-12364 CVE-2018-12365 CVE-2018-12366 CVE-2018-12372 CVE-2018-12373 CVE-2018-12374 Package : thunderbird Type : multiple issues Remote : Yes Link : https://security.archlinux.org/AVG-728 Summary ======= The package thunderbird before version 52.9.1-1 is vulnerable to multiple issues including arbitrary code execution, cross-site request forgery and information disclosure. Resolution ========== Upgrade to 52.9.1-1. # pacman -Syu "thunderbird>=52.9.1-1" The problems have been fixed upstream in version 52.9.1. Workaround ========== None. Description =========== - CVE-2018-5188 (arbitrary code execution) Several memory safety bugs have been found in Firefox before 61.0 and Thunderbird before 52.9. Some of these bugs showed evidence of memory corruption and Mozilla presumes that with enough effort some of these could be exploited to run arbitrary code. - CVE-2018-12359 (arbitrary code execution) A buffer overflow can occur in Firefox before 61.0 and Thunderbird before 52.9 when rendering canvas content while adjusting the height and width of the <canvas> element dynamically, causing data to be written outside of the currently computed boundaries. This results in a potentially exploitable crash. - CVE-2018-12360 (arbitrary code execution) A use-after-free vulnerability can occur in Firefox before 61.0 and Thunderbird before 52.9 when deleting an input element during a mutation event handler triggered by focusing that element. This results in a potentially exploitable crash. - CVE-2018-12362 (arbitrary code execution) An integer overflow can occur in Firefox before 61.0 and Thunderbird before 52.9 during graphics operations done by the Supplemental Streaming SIMD Extensions 3 (SSSE3) scaler, resulting in a potentially exploitable crash. - CVE-2018-12363 (arbitrary code execution) A use-after-free vulnerability can occur in Firefox before 61.0 and Thunderbird before 52.9 when script uses mutation events to move DOM nodes between documents, resulting in the old document that held the node being freed but the node still having a pointer referencing it. This results in a potentially exploitable crash. - CVE-2018-12364 (cross-site request forgery) A security issue has been found in Firefox before 61.0 and Thunderbird before 52.9, where NPAPI plugins, such as Adobe Flash, can send non- simple cross-origin requests, bypassing CORS by making a same-origin POST that does a 307 redirect to the target site. This allows for a malicious site to engage in cross-site request forgery (CSRF) attacks. - CVE-2018-12365 (information disclosure) A security issue has been found in Firefox before 61.0 and Thunderbird before 52.9 where a compromised IPC child process can escape the content sandbox and list the names of arbitrary files on the file system without user consent or interaction. This could result in exposure of private local files. - CVE-2018-12366 (information disclosure) An invalid grid size during QCMS (color profile) transformations can result in the out-of-bounds read interpreted as a float value, in Firefox before 61.0 and Thunderbird before 52.9. This could leak private data into the output. - CVE-2018-12372 (information disclosure) A security issue has been found in Thunderbird before 52.9, where decrypted S/MIME parts, when included in HTML crafted for an attack, can leak plaintext when included in a HTML reply/forward. - CVE-2018-12373 (information disclosure) A security issue has been found in Thunderbird before 52.9, where S/MIME parts hidden with CSS or <plaintext> can leak plaintext when included in a HTML reply/forward. - CVE-2018-12374 (information disclosure) A security issue has been found in Thunderbird before 52.9, where plaintext of decrypted emails can leak through by user submitting an embedded form by pressing enter key within a text input field. Impact ====== A remote attacker can access sensitive information, bypass various security mechanisms and execute arbitrary code on the affected host. References ========== https://www.mozilla.org/en-US/security/advisories/mfsa2018-18 https://www.mozilla.org/en-US/security/advisories/mfsa2018-15/#CVE-2018-5188 https://bugzilla.mozilla.org/buglist.cgi?bug_id=1456189%2C1456975%2C1465898… https://www.mozilla.org/en-US/security/advisories/mfsa2018-15/#CVE-2018-123… https://bugzilla.mozilla.org/show_bug.cgi?id=1459162 https://www.mozilla.org/en-US/security/advisories/mfsa2018-15/#CVE-2018-123… https://bugzilla.mozilla.org/show_bug.cgi?id=1459693 https://www.mozilla.org/en-US/security/advisories/mfsa2018-15/#CVE-2018-123… https://bugzilla.mozilla.org/show_bug.cgi?id=1452375 https://www.mozilla.org/en-US/security/advisories/mfsa2018-15/#CVE-2018-123… https://bugzilla.mozilla.org/show_bug.cgi?id=1464784 https://www.mozilla.org/en-US/security/advisories/mfsa2018-15/#CVE-2018-123… https://bugzilla.mozilla.org/show_bug.cgi?id=1436241 https://www.mozilla.org/en-US/security/advisories/mfsa2018-15/#CVE-2018-123… https://bugzilla.mozilla.org/show_bug.cgi?id=1459206 https://www.mozilla.org/en-US/security/advisories/mfsa2018-15/#CVE-2018-123… https://bugzilla.mozilla.org/show_bug.cgi?id=1464039 https://www.mozilla.org/en-US/security/advisories/mfsa2018-18/#CVE-2018-123… https://bugzilla.mozilla.org/show_bug.cgi?id=1419417 https://www.mozilla.org/en-US/security/advisories/mfsa2018-18/#CVE-2018-123… https://bugzilla.mozilla.org/show_bug.cgi?id=1464056 https://bugzilla.mozilla.org/show_bug.cgi?id=1464667 https://www.mozilla.org/en-US/security/advisories/mfsa2018-18/#CVE-2018-123… https://bugzilla.mozilla.org/show_bug.cgi?id=1462910 https://security.archlinux.org/CVE-2018-5188 https://security.archlinux.org/CVE-2018-12359 https://security.archlinux.org/CVE-2018-12360 https://security.archlinux.org/CVE-2018-12362 https://security.archlinux.org/CVE-2018-12363 https://security.archlinux.org/CVE-2018-12364 https://security.archlinux.org/CVE-2018-12365 https://security.archlinux.org/CVE-2018-12366 https://security.archlinux.org/CVE-2018-12372 https://security.archlinux.org/CVE-2018-12373 https://security.archlinux.org/CVE-2018-12374

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[ASA-201807-3] qutebrowser: arbitrary code execution
by Morten Linderud 11 Jul '18

11 Jul '18

Arch Linux Security Advisory ASA-201807-3 ========================================= Severity: Critical Date : 2018-07-11 CVE-ID : CVE-2018-10895 Package : qutebrowser Type : arbitrary code execution Remote : Yes Link : https://security.archlinux.org/AVG-735 Summary ======= The package qutebrowser before version 1.4.1-1 is vulnerable to arbitrary code execution. Resolution ========== Upgrade to 1.4.1-1. # pacman -Syu "qutebrowser>=1.4.1-1" The problem has been fixed upstream in version 1.4.1. Workaround ========== It's possible to patch out the vulnerable code via a config.py file from qutebrowser.browser import qutescheme qutescheme._qute_settings_set = lambda url: ('text/html', '') Description =========== Due to a CSRF vulnerability affecting the qute://settings page, it was possible for websites to modify qutebrowser settings. Via settings like editor.command, this possibly allowed websites to execute arbitrary code. Impact ====== A remote attacker is able to execute code with a specially crafted web page. References ========== https://github.com/qutebrowser/qutebrowser/commit/43e58ac865ff862c2008c510f… https://github.com/qutebrowser/qutebrowser/issues/4060 https://security.archlinux.org/CVE-2018-10895

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[ASA-201807-2] git-annex: multiple issues
by Jelle van der Waa 04 Jul '18

04 Jul '18

Arch Linux Security Advisory ASA-201807-2 ========================================= Severity: High Date : 2018-07-04 CVE-ID : CVE-2018-10857 CVE-2018-10859 Package : git-annex Type : multiple issues Remote : Yes Link : https://security.archlinux.org/AVG-725 Summary ======= The package git-annex before version 6.20180626-1 is vulnerable to multiple issues including arbitrary filesystem access and information disclosure. Resolution ========== Upgrade to 6.20180626-1. # pacman -Syu "git-annex>=6.20180626-1" The problems have been fixed upstream in version 6.20180626. Workaround ========== None. Description =========== - CVE-2018-10857 (arbitrary filesystem access) Some uses of git-annex were vulnerable to a private data exposure and exfiltration attack. It could expose the content of files located outside the git-annex repository, or content from a private web server on localhost or the LAN. - CVE-2018-10859 (information disclosure) A malicious server for a special remote could trick git-annex into decrypting a file that was encrypted to the user's gpg key. This attack could be used to expose encrypted data that was never stored in git- annex Impact ====== A remote attacker is able to read arbitrary files on the filesystem or decrypt encrypted files by modifying the git-annex repository. References ========== https://git-annex.branchable.com/security/CVE-2018-10857_and_CVE-2018-10859/ https://git.joeyh.name/index.cgi/git-annex.git/commit/?id=b54b2cdc0ef1373fc… https://security.archlinux.org/CVE-2018-10857 https://security.archlinux.org/CVE-2018-10859

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[ASA-201807-1] gitlab: multiple issues
by Jelle van der Waa 04 Jul '18

04 Jul '18

Arch Linux Security Advisory ASA-201807-1 ========================================= Severity: Medium Date : 2018-07-04 CVE-ID : CVE-2018-3740 CVE-2018-12606 CVE-2018-12607 Package : gitlab Type : multiple issues Remote : Yes Link : https://security.archlinux.org/AVG-726 Summary ======= The package gitlab before version 11.0.1-1 is vulnerable to multiple issues including cross-site scripting and insufficient validation. Resolution ========== Upgrade to 11.0.1-1. # pacman -Syu "gitlab>=11.0.1-1" The problems have been fixed upstream in version 11.0.1. Workaround ========== None. Description =========== - CVE-2018-3740 (insufficient validation) A specially crafted HTML fragment can cause Sanitize gem for Ruby to allow non-whitelisted attributes to be used on a whitelisted HTML element. - CVE-2018-12606 (cross-site scripting) The wiki contains a persistent XSS issue due to a lack of output encoding affecting a specific markdown feature. - CVE-2018-12607 (cross-site scripting) The charts feature contained a persistent XSS issue due to a lack of output encoding. Impact ====== An attacker is able to use a GitLab server to execute malicious Javascript code on its users via a crafted HTML chart or specific markdown features. References ========== https://about.gitlab.com/2018/06/25/security-release-gitlab-11-dot-0-dot-1-… https://security.archlinux.org/CVE-2018-3740 https://security.archlinux.org/CVE-2018-12606 https://security.archlinux.org/CVE-2018-12607

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[ASA-201806-14] firefox: multiple issues
by Remi Gacogne 29 Jun '18

29 Jun '18

Arch Linux Security Advisory ASA-201806-14 ========================================== Severity: Critical Date : 2018-06-27 CVE-ID : CVE-2018-5186 CVE-2018-5187 CVE-2018-5188 CVE-2018-12356 CVE-2018-12358 CVE-2018-12359 CVE-2018-12360 CVE-2018-12361 CVE-2018-12362 CVE-2018-12363 CVE-2018-12364 CVE-2018-12365 CVE-2018-12366 CVE-2018-12367 CVE-2018-12369 CVE-2018-12370 CVE-2018-12371 Package : firefox Type : multiple issues Remote : Yes Link : https://security.archlinux.org/AVG-727 Summary ======= The package firefox before version 61.0-1 is vulnerable to multiple issues including arbitrary code execution, cross-site request forgery, same-origin policy bypass, access restriction bypass and information disclosure. Resolution ========== Upgrade to 61.0-1. # pacman -Syu "firefox>=61.0-1" The problems have been fixed upstream in version 61.0. Workaround ========== None. Description =========== - CVE-2018-5186 (arbitrary code execution) Several memory safety bugs have been found in Firefox before 61.0. Some of these bugs showed evidence of memory corruption and Mozilla presumes that with enough effort some of these could be exploited to run arbitrary code. - CVE-2018-5187 (arbitrary code execution) Several memory safety bugs have been found in Firefox before 61.0. Some of these bugs showed evidence of memory corruption and Mozilla presumes that with enough effort some of these could be exploited to run arbitrary code. - CVE-2018-5188 (arbitrary code execution) Several memory safety bugs have been found in Firefox before 61.0. Some of these bugs showed evidence of memory corruption and Mozilla presumes that with enough effort some of these could be exploited to run arbitrary code. - CVE-2018-12356 (arbitrary code execution) An issue was discovered in password-store.sh in pass in Simple Password Store 1.7 through 1.7.1. The signature verification routine parses the output of GnuPG with an incomplete regular expression, which allows remote attackers to spoof file signatures on configuration files and extensions scripts. Modifying the configuration file allows the attacker to inject additional encryption keys under their control, thereby disclosing passwords to the attacker. Modifying the extension scripts allows the attacker arbitrary code execution. - CVE-2018-12358 (same-origin policy bypass) Service workers in Firefox before 61.0 can use redirection to avoid the tainting of cross-origin resources in some instances, allowing a malicious site to read responses which are supposed to be opaque. - CVE-2018-12359 (arbitrary code execution) A buffer overflow can occur in Firefox before 61.0 when rendering canvas content while adjusting the height and width of the <canvas> element dynamically, causing data to be written outside of the currently computed boundaries. This results in a potentially exploitable crash. - CVE-2018-12360 (arbitrary code execution) A use-after-free vulnerability can occur in Firefox before 61.0 when deleting an input element during a mutation event handler triggered by focusing that element. This results in a potentially exploitable crash. - CVE-2018-12361 (arbitrary code execution) An integer overflow can occur in Firefox before 61.0 in the SwizzleData code while calculating buffer sizes. The overflowed value is used for subsequent graphics computations when their inputs are not sanitized which results in a potentially exploitable crash. - CVE-2018-12362 (arbitrary code execution) An integer overflow can occur in Firefox before 61.0 during graphics operations done by the Supplemental Streaming SIMD Extensions 3 (SSSE3) scaler, resulting in a potentially exploitable crash. - CVE-2018-12363 (arbitrary code execution) A use-after-free vulnerability can occur in Firefox before 61.0 when script uses mutation events to move DOM nodes between documents, resulting in the old document that held the node being freed but the node still having a pointer referencing it. This results in a potentially exploitable crash. - CVE-2018-12364 (cross-site request forgery) A security issue has been found in Firefox before 61.0 where NPAPI plugins, such as Adobe Flash, can send non-simple cross-origin requests, bypassing CORS by making a same-origin POST that does a 307 redirect to the target site. This allows for a malicious site to engage in cross-site request forgery (CSRF) attacks. - CVE-2018-12365 (information disclosure) A security issue has been found in Firefox before 61.0 where a compromised IPC child process can escape the content sandbox and list the names of arbitrary files on the file system without user consent or interaction. This could result in exposure of private local files. - CVE-2018-12366 (information disclosure) An invalid grid size during QCMS (color profile) transformations can result in the out-of-bounds read interpreted as a float value, in Firefox before 61.0. This could leak private data into the output. - CVE-2018-12367 (information disclosure) A security issue has been found in Firefox before 61.0. In the previous mitigations for Spectre, the resolution or precision of various methods was reduced to counteract the ability to measure precise time intervals. In that work, PerformanceNavigationTiming was not adjusted but it was found that it could be used as a precision timer. - CVE-2018-12369 (access restriction bypass) WebExtensions bundled with embedded experiments were not correctly checked for proper authorization before Firefox 61.0. This allowed a malicious WebExtension to gain full browser permissions. - CVE-2018-12370 (access restriction bypass) In the Reader View of Firefox before 61.0, SameSite cookie protections are not checked on exiting. This allows for a payload to be triggered when Reader View is exited if loaded by a malicious site while Reader mode is active, bypassing CSRF protections. - CVE-2018-12371 (arbitrary code execution) An integer overflow vulnerability has been found in the Skia library shipped with Firefox before 61.0, when allocating memory for edge builders on some systems with at least 16 GB of RAM. This results in the use of uninitialized memory, resulting in a potentially exploitable crash. Impact ====== A remote attacker can access sensitive information, bypass various security mechanisms and execute arbitrary code on the affected host. References ========== https://www.mozilla.org/en-US/security/advisories/mfsa2018-15 https://www.mozilla.org/en-US/security/advisories/mfsa2018-15/#CVE-2018-5186 https://bugzilla.mozilla.org/buglist.cgi?bug_id=1464872%2C1463329%2C1419373… https://www.mozilla.org/en-US/security/advisories/mfsa2018-15/#CVE-2018-5187 https://bugzilla.mozilla.org/buglist.cgi?bug_id=1461324%2C1414829%2C1395246… https://www.mozilla.org/en-US/security/advisories/mfsa2018-15/#CVE-2018-5188 https://bugzilla.mozilla.org/buglist.cgi?bug_id=1456189%2C1456975%2C1465898… https://neopg.io/blog/pass-signature-spoof/ https://marc.info/?l=oss-security&m=152901317028506 https://github.com/zx2c4/password-store/commit/8683403b77f59c56fcb1f05c61ab… https://www.mozilla.org/en-US/security/advisories/mfsa2018-15/#CVE-2018-123… https://bugzilla.mozilla.org/show_bug.cgi?id=1467852 https://www.mozilla.org/en-US/security/advisories/mfsa2018-15/#CVE-2018-123… https://bugzilla.mozilla.org/show_bug.cgi?id=1459162 https://www.mozilla.org/en-US/security/advisories/mfsa2018-15/#CVE-2018-123… https://bugzilla.mozilla.org/show_bug.cgi?id=1459693 https://www.mozilla.org/en-US/security/advisories/mfsa2018-15/#CVE-2018-123… https://bugzilla.mozilla.org/show_bug.cgi?id=1463244 https://www.mozilla.org/en-US/security/advisories/mfsa2018-15/#CVE-2018-123… https://bugzilla.mozilla.org/show_bug.cgi?id=1452375 https://www.mozilla.org/en-US/security/advisories/mfsa2018-15/#CVE-2018-123… https://bugzilla.mozilla.org/show_bug.cgi?id=1464784 https://www.mozilla.org/en-US/security/advisories/mfsa2018-15/#CVE-2018-123… https://bugzilla.mozilla.org/show_bug.cgi?id=1436241 https://www.mozilla.org/en-US/security/advisories/mfsa2018-15/#CVE-2018-123… https://bugzilla.mozilla.org/show_bug.cgi?id=1459206 https://www.mozilla.org/en-US/security/advisories/mfsa2018-15/#CVE-2018-123… https://bugzilla.mozilla.org/show_bug.cgi?id=1464039 https://www.mozilla.org/en-US/security/advisories/mfsa2018-15/#CVE-2018-123… https://bugzilla.mozilla.org/show_bug.cgi?id=1462891 https://www.mozilla.org/en-US/security/advisories/mfsa2018-15/#CVE-2018-123… https://bugzilla.mozilla.org/show_bug.cgi?id=1454909 https://www.mozilla.org/en-US/security/advisories/mfsa2018-15/#CVE-2018-123… https://bugzilla.mozilla.org/show_bug.cgi?id=1456652 https://www.mozilla.org/en-US/security/advisories/mfsa2018-15/#CVE-2018-123… https://bugzilla.mozilla.org/show_bug.cgi?id=1465686 https://security.archlinux.org/CVE-2018-5186 https://security.archlinux.org/CVE-2018-5187 https://security.archlinux.org/CVE-2018-5188 https://security.archlinux.org/CVE-2018-12356 https://security.archlinux.org/CVE-2018-12358 https://security.archlinux.org/CVE-2018-12359 https://security.archlinux.org/CVE-2018-12360 https://security.archlinux.org/CVE-2018-12361 https://security.archlinux.org/CVE-2018-12362 https://security.archlinux.org/CVE-2018-12363 https://security.archlinux.org/CVE-2018-12364 https://security.archlinux.org/CVE-2018-12365 https://security.archlinux.org/CVE-2018-12366 https://security.archlinux.org/CVE-2018-12367 https://security.archlinux.org/CVE-2018-12369 https://security.archlinux.org/CVE-2018-12370 https://security.archlinux.org/CVE-2018-12371

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[ASA-201806-13] qutebrowser: cross-site scripting
by Morten Linderud 26 Jun '18

26 Jun '18

Arch Linux Security Advisory ASA-201806-13 ========================================== Severity: Medium Date : 2018-06-26 CVE-ID : CVE-2018-1000559 Package : qutebrowser Type : cross-site scripting Remote : Yes Link : https://security.archlinux.org/AVG-724 Summary ======= The package qutebrowser before version 1.3.3-1 is vulnerable to cross- site scripting. Resolution ========== Upgrade to 1.3.3-1. # pacman -Syu "qutebrowser>=1.3.3-1" The problem has been fixed upstream in version 1.3.3. Workaround ========== None. Description =========== qutebrowser before 1.3.3 contains a Cross Site Scripting (XSS) vulnerability that can result in a website stealing the user's browsing history. This attack can be exploitable by tricking the victim into opening a page with a specially crafted <title> attribute, and then opening the qute://history site via the :history command. Impact ====== A remote attacker is able to steal the browser history with a specially crafted web page title. References ========== https://github.com/qutebrowser/qutebrowser/commit/4c9360237f186681b1e3f2a0f… https://github.com/qutebrowser/qutebrowser/issues/4011 https://security.archlinux.org/CVE-2018-1000559

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[ASA-201806-12] cantata: multiple issues
by Morten Linderud 26 Jun '18

26 Jun '18

Arch Linux Security Advisory ASA-201806-12 ========================================== Severity: High Date : 2018-06-20 CVE-ID : CVE-2018-12559 CVE-2018-12560 CVE-2018-12561 CVE-2018-12562 Package : cantata Type : multiple issues Remote : No Link : https://security.archlinux.org/AVG-721 Summary ======= The package cantata before version 2.3.1-2 is vulnerable to multiple issues including access restriction bypass and privilege escalation. Resolution ========== Upgrade to 2.3.1-2. # pacman -Syu "cantata>=2.3.1-2" The problems have been fixed upstream but no release is available yet. Workaround ========== None. Description =========== - CVE-2018-12559 (privilege escalation) An issue was discovered in the cantata-mounter D-Bus service in Cantata through 2.3.1. The mount target path check in mounter.cpp `mpOk()` is insufficient. A regular user can consequently mount a CIFS filesystem anywhere (e.g., outside of the /home directory tree) by passing directory traversal sequences such as a home/../usr substring. - CVE-2018-12560 (access restriction bypass) An issue was discovered in the cantata-mounter D-Bus service in Cantata through 2.3.1. Arbitrary unmounts can be performed by regular users via directory traversal sequences such as a home/../sys/kernel substring. - CVE-2018-12561 (access restriction bypass) An issue was discovered in the cantata-mounter D-Bus service in Cantata through 2.3.1. A regular user can inject additional mount options such as file_mode= by manipulating (for example) the domain parameter of the samba URL. - CVE-2018-12562 (access restriction bypass) An issue was discovered in the cantata-mounter D-Bus service in Cantata through 2.3.1. The wrapper script 'mount.cifs.wrapper' uses the shell to forward the arguments to the actual mount.cifs binary. The shell evaluates wildcards (such as in an injected string:/home/../tmp/* string). Impact ====== An unprivileged user is able to mount remote samba shares, enabling arbitrary filesystem access and privileged escalation. References ========== http://www.openwall.com/lists/oss-security/2018/06/18/1 https://github.com/CDrummond/cantata/commit/afc4f8315d3e96574925fb530a7004c… http://www.openwall.com/lists/oss-security/2018/06/18/1 https://security.archlinux.org/CVE-2018-12559 https://security.archlinux.org/CVE-2018-12560 https://security.archlinux.org/CVE-2018-12561 https://security.archlinux.org/CVE-2018-12562

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[ASA-201806-11] pass: arbitrary code execution
by Santiago Torres-Arias 19 Jun '18

19 Jun '18

Arch Linux Security Advisory ASA-201806-11 ========================================== Severity: High Date : 2018-06-19 CVE-ID : CVE-2018-12356 Package : pass Type : arbitrary code execution Remote : Yes Link : https://security.archlinux.org/AVG-720 Summary ======= The package pass before version 1.7.2-1 is vulnerable to arbitrary code execution. Resolution ========== Upgrade to 1.7.2-1. # pacman -Syu "pass>=1.7.2-1" The problem has been fixed upstream in version 1.7.2. Workaround ========== You can make sure arbitrary code execution is not possible by disabling pass's extension facility: export PASSWORD_STORE_ENABLE_EXTENSIONS=false Description =========== An issue was discovered in password-store.sh in pass in Simple Password Store 1.7 through 1.7.1. The signature verification routine parses the output of GnuPG with an incomplete regular expression, which allows remote attackers to spoof file signatures on configuration files and extensions scripts. Modifying the configuration file allows the attacker to inject additional encryption keys under their control, thereby disclosing passwords to the attacker. Modifying the extension scripts allows the attacker arbitrary code execution. Impact ====== A remote attacker is able to bypass signature verification and register arbitrary keys for an account or execute arbitrary code on the host by providing the application a crafted pgp signature packet. References ========== https://neopg.io/blog/pass-signature-spoof/ https://marc.info/?l=oss-security&m=152901317028506 https://github.com/zx2c4/password-store/commit/8683403b77f59c56fcb1f05c61ab… https://security.archlinux.org/CVE-2018-12356

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[ASA-201806-10] libgcrypt: private key recovery
by Morten Linderud 18 Jun '18

18 Jun '18

Arch Linux Security Advisory ASA-201806-10 ========================================== Severity: High Date : 2018-06-16 CVE-ID : CVE-2018-0495 Package : libgcrypt Type : private key recovery Remote : No Link : https://security.archlinux.org/AVG-719 Summary ======= The package libgcrypt before version 1.8.3-1 is vulnerable to private key recovery. Resolution ========== Upgrade to 1.8.3-1. # pacman -Syu "libgcrypt>=1.8.3-1" The problem has been fixed upstream in version 1.8.3. Workaround ========== None. Description =========== An implementation flaw has been discovered in multiple cryptographic libraries that allows a side-channel based attacker to recover ECDSA or DSA private keys. When these cryptographic libraries use the private key to create a signature, such as for a TLS or SSH connection, they inadvertently leak information through memory caches. An unprivileged attacker running on the same machine can collect the information from a few thousand signatures and recover the value of the private key. Impact ====== An unprivileged user might be able to retrieve private keys on the affected host. References ========== https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commitdiff;h=901… https://lists.gnupg.org/pipermail/gnupg-announce/2018q2/000426.html https://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the… https://security.archlinux.org/CVE-2018-0495

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[ASA-201806-9] chromium: arbitrary code execution
by Remi Gacogne 14 Jun '18

14 Jun '18

Arch Linux Security Advisory ASA-201806-9 ========================================= Severity: High Date : 2018-06-13 CVE-ID : CVE-2018-6149 Package : chromium Type : arbitrary code execution Remote : Yes Link : https://security.archlinux.org/AVG-717 Summary ======= The package chromium before version 67.0.3396.87-1 is vulnerable to arbitrary code execution. Resolution ========== Upgrade to 67.0.3396.87-1. # pacman -Syu "chromium>=67.0.3396.87-1" The problem has been fixed upstream in version 67.0.3396.87. Workaround ========== None. Description =========== An out of bounds write has been found in the V8 component of the chromium browser before 67.0.3396.87. Impact ====== A remote attacker can execute arbitrary code on the affected host via a website containing specially crafted Javascript code. References ========== https://chromereleases.googleblog.com/2018/06/stable-channel-update-for-des… https://crbug.com/848672 https://security.archlinux.org/CVE-2018-6149

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