Input validation error in Pidgin - CVE-2012-6152

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Main Vulnerability Database Vulnerabilities #VU42063

Input validation error in Pidgin - CVE-2012-6152

Published: February 6, 2014 / Updated: August 10, 2020


Vulnerability identifier: #VU42063
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2012-6152
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

The Yahoo! protocol plugin in libpurple in Pidgin before 2.10.8 does not properly validate UTF-8 data, which allows remote attackers to cause a denial of service (application crash) via crafted byte sequences.


Affected software

Pidgin
Gentoo Linux
Ubuntu
Slackware Linux
libpurple0 (Ubuntu package)
pidgin (Ubuntu package)

How to mitigate CVE-2012-6152

Install update from vendor's website.

libpurple0 (Ubuntu package) - addressed in versions 1:2.10.3-0ubuntu1.4, 1:2.10.6-0ubuntu2.3, 1:2.10.7-0ubuntu4.1.13.10.1
pidgin (Ubuntu package) - addressed in versions 1:2.10.3-0ubuntu1.4, 1:2.10.6-0ubuntu2.3, 1:2.10.7-0ubuntu4.1.13.10.1

External References

Related Security Bulletins