SB2012111902 - Heap-based buffer overflow in WeeChat
Published: November 19, 2012 Updated: November 11, 2020
Security Bulletin ID
SB2012111902
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) Heap-based buffer overflow (CVE-ID: CVE-2012-5854)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in Heap-based buffer overflow in WeeChat 0.3.6 through 0.3.9. A remote attacker can use crafted IRC colors that are not properly decoded. to trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.
References
- http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092228.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092490.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092536.html
- http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00018.html
- http://lists.opensuse.org/opensuse-updates/2012-11/msg00087.html
- http://osvdb.org/87279
- 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/2012/11/12/2
- http://www.securityfocus.com/bid/56482
- https://savannah.nongnu.org/bugs/?37704
- https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0330