Input validation error in Pidgin - CVE-2013-6478
Published: February 6, 2014 / Updated: August 10, 2020
Vulnerability identifier: #VU42065
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-2013-6478
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.
gtkimhtml.c in Pidgin before 2.10.8 does not properly interact with underlying library support for wide Pango layouts, which allows user-assisted remote attackers to cause a denial of service (application crash) via a long URL that is examined with a tooltip.
Affected software
Pidgin
Gentoo Linux
Ubuntu
Slackware Linux
libpurple0 (Ubuntu package)
pidgin (Ubuntu package)
Gentoo Linux
Ubuntu
Slackware Linux
libpurple0 (Ubuntu package)
pidgin (Ubuntu package)
How to mitigate CVE-2013-6478
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
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
- http://hg.pidgin.im/pidgin/main/rev/2bb66ef1475e
- http://lists.opensuse.org/opensuse-updates/2014-02/msg00039.html
- http://lists.opensuse.org/opensuse-updates/2014-03/msg00005.html
- http://pidgin.im/news/security/?id=72
- http://pidgin.im/pipermail/support/2013-March/012980.html
- http://pidgin.im/pipermail/support/2013-March/012981.html
- http://www.debian.org/security/2014/dsa-2859
- http://www.ubuntu.com/usn/USN-2100-1
- https://rhn.redhat.com/errata/RHSA-2014-0139.html