[arch-security] [ASA-201701-14] irssi: multiple issues
Levente Polyak
anthraxx at archlinux.org
Thu Jan 12 17:15:38 UTC 2017
Arch Linux Security Advisory ASA-201701-14
==========================================
Severity: High
Date : 2017-01-11
CVE-ID : CVE-2017-5193 CVE-2017-5194 CVE-2017-5195 CVE-2017-5196
Package : irssi
Type : multiple issues
Remote : Yes
Link : https://security.archlinux.org/AVG-127
Summary
=======
The package irssi before version 0.8.21-1 is vulnerable to multiple
issues including arbitrary code execution and denial of service.
Resolution
==========
Upgrade to 0.8.21-1.
# pacman -Syu "irssi>=0.8.21-1"
The problems have been fixed upstream in version 0.8.21.
Workaround
==========
None.
Description
===========
- CVE-2017-5193 (denial of service)
A NULL pointer dereference has been discovered in the nickcmp function
leading to application crash.
- CVE-2017-5194 (arbitrary code execution)
A use after free vulnerability has been discovered when receiving an
invalid nick message potentially leading to arbitrary code execution.
- CVE-2017-5195 (denial of service)
An out of bounds read has been discovered in certain incomplete control
codes leading to application crash.
- CVE-2017-5196 (denial of service)
An out of bounds read has been discovered in certain incomplete
character sequences leading to application crash.
Impact
======
A remote attacker is able to crash the application or execute arbitrary
code on the affected host.
References
==========
https://irssi.org/security/irssi_sa_2017_01.txt
http://www.openwall.com/lists/oss-security/2017/01/05/2
https://github.com/irssi/irssi/commit/6c6c42e3d1b49d90aacc0b67f8540471cae02a1d
https://security.archlinux.org/CVE-2017-5193
https://security.archlinux.org/CVE-2017-5194
https://security.archlinux.org/CVE-2017-5195
https://security.archlinux.org/CVE-2017-5196
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 833 bytes
Desc: OpenPGP digital signature
URL: <https://lists.archlinux.org/pipermail/arch-security/attachments/20170112/d40daad5/attachment.asc>
More information about the arch-security
mailing list