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Gentoo: GLSA-201405-03 Moderate: WeeChat Arbitrary Code Exec

gentoo
Calendar Grey May 3, 2014
Scroller Gentoo
Recent security flaws identified in WeeChat could lead to unauthorized code execution or service interruptions; users are advised to update their software.
Two vulnerabilities have been found in WeeChat, the worst of which may allow execution of arbitrary code.

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).

Topics%20covered

Topics Covered

security advisory denial of service gentoo software update arbitrary code execution weechat

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
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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.

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Severity: Normal
Title: WeeChat: Multiple vulnerabilities
Date: May 03, 2014
Bugs: #442600
ID: 201405-03

Topics%20covered

Topics Covered

security advisory denial of service gentoo software update arbitrary code execution weechat

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.

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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.