Arch Linux Security Advisory ASA-201902-23 ========================================== Severity: Critical Date : 2019-02-20 CVE-ID : CVE-2018-18335 CVE-2018-18356 CVE-2018-18509 CVE-2019-5785 Package : thunderbird Type : multiple issues Remote : Yes Link : https://security.archlinux.org/AVG-908 Summary ======= The package thunderbird before version 60.5.1-1 is vulnerable to multiple issues including arbitrary code execution and insufficient validation. Resolution ========== Upgrade to 60.5.1-1. # pacman -Syu "thunderbird>=60.5.1-1" The problems have been fixed upstream in version 60.5.1. Workaround ========== None. Description =========== - CVE-2018-18335 (arbitrary code execution) A heap-based buffer overflow has been found in the Skia component of chromium before 71.0.3578.80 and thunderbird before 60.5.1. - CVE-2018-18356 (arbitrary code execution) A use-after-free has been found in the Skia component of chromium before 71.0.3578.80 and firefox before 65.0.1 and thunderbird before 60.5.1. - CVE-2018-18509 (insufficient validation) A flaw during verification of certain S/MIME signatures causes emails to be shown in Thunderbird before 60.5.1 as having a valid digital signature, even if the shown message contents aren't covered by the signature. The flaw allows an attacker to reuse a valid S/MIME signature to craft an email message with arbitrary content. - CVE-2019-5785 (arbitrary code execution) An integer overflow issue has been found in the Skia component of firefox before 65.0.1 and thunderbird before 60.5.1. Impact ====== A remote attacker can reuse a valid S/MIME signature to craft an e-mail message with arbitrary content, and execute arbitrary code through skia. References ========== https://www.mozilla.org/en-US/security/advisories/mfsa2019-06/ https://chromereleases.googleblog.com/2018/12/stable-channel-update-for-desk... https://bugs.chromium.org/p/chromium/issues/detail?id=895362 https://www.mozilla.org/en-US/security/advisories/mfsa2019-06/#CVE-2018-1833... https://bugzilla.mozilla.org/show_bug.cgi?id=1525815 https://bugs.chromium.org/p/chromium/issues/detail?id=883666 https://www.mozilla.org/en-US/security/advisories/mfsa2019-04/#CVE-2018-1835... https://www.mozilla.org/en-US/security/advisories/mfsa2019-06/#CVE-2018-1835... https://bugzilla.mozilla.org/show_bug.cgi?id=1525817 https://www.mozilla.org/en-US/security/advisories/mfsa2019-06/#CVE-2018-1850... https://bugzilla.mozilla.org/show_bug.cgi?id=1507218 https://www.mozilla.org/en-US/security/advisories/mfsa2019-04/#CVE-2019-5785 https://www.mozilla.org/en-US/security/advisories/mfsa2019-06/#CVE-2019-5785 https://bugzilla.mozilla.org/show_bug.cgi?id=1525433 https://googleprojectzero.blogspot.com/2019/02/the-curious-case-of-convexity... https://security.archlinux.org/CVE-2018-18335 https://security.archlinux.org/CVE-2018-18356 https://security.archlinux.org/CVE-2018-18509 https://security.archlinux.org/CVE-2019-5785