Heap-based buffer overflow in WeeChat - CVE-2012-5854
Published: November 19, 2012 / Updated: November 11, 2020
Vulnerability identifier: #VU43325
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2012-5854
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: WeeChat.org
Affected software:
WeeChat
WeeChat
Detailed vulnerability description
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.
How to mitigate CVE-2012-5854
Install update from vendor's website.
Sources
- 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