[arch-security] [ASA-201701-14] irssi: multiple issues
anthraxx at archlinux.org
Thu Jan 12 17:15:38 UTC 2017
Arch Linux Security Advisory ASA-201701-14
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
The package irssi before version 0.8.21-1 is vulnerable to multiple
issues including arbitrary code execution and denial of service.
Upgrade to 0.8.21-1.
# pacman -Syu "irssi>=0.8.21-1"
The problems have been fixed upstream in version 0.8.21.
- 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.
A remote attacker is able to crash the application or execute arbitrary
code on the affected host.
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