SB2012120306 - Input validation error in WeeChat
Published: December 3, 2012 Updated: August 11, 2020
Security Bulletin ID
SB2012120306
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2012-5534)
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
The hook_process function in the plugin API for WeeChat 0.3.0 through 0.3.9.1 allows remote attackers to execute arbitrary commands via shell metacharacters in a command from a plugin, related to "shell expansion."
Remediation
Install update from vendor's website.
References
- http://git.savannah.gnu.org/gitweb/?p=weechat.git;a=commitdiff_plain;h=efb795c74fe954b9544074aafcebb1be4452b03a
- http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093260.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093495.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-November/093516.html
- http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00018.html
- http://lists.opensuse.org/opensuse-updates/2012-11/msg00087.html
- http://secunia.com/advisories/51294
- http://secunia.com/advisories/51377
- http://weechat.org/security/
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:136
- http://www.openwall.com/lists/oss-security/2012/11/19/4
- http://www.securityfocus.com/bid/56584
- https://savannah.nongnu.org/bugs/?37764
- https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0347