Gentoo: GLSA-201405-03: WeeChat: Multiple vulnerabilities
Summary
Two vulnerabilities have been discovered in WeeChat:
* The hook_process() function does not properly handle shell expansions
(CVE-2012-5534).
* WeeChat does not properly decode colors which could cause a
heap-based buffer overflow (CVE-2012-5854).
Resolution
All WeeChat users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-irc/weechat-0.3.9.2"
References
[ 1 ] CVE-2012-5534 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-5534 [ 2 ] CVE-2012-5854 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-5854
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201405-03
Concerns
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
Synopsis
Two vulnerabilities have been found in WeeChat, the worst of which may allow execution of arbitrary code.
Background
Wee Enhanced Environment for Chat (WeeChat) is a light and extensible console IRC client.
Affected Packages
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-irc/weechat < 0.3.9.2 >= 0.3.9.2
Impact
===== A remote attacker could entice a user to open a specially crafted script or send messages with specially crafted colors, possibly resulting in execution of arbitrary code with the privileges of the process, or a Denial of Service condition.
Workaround
There is no known workaround at this time.
