Buffer overflow in FreeType - CVE-2012-5669
Published: January 24, 2013 / Updated: July 28, 2020
Vulnerability identifier: #VU32698
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-2012-5669
CWE-ID: CWE-119
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 _bdf_parse_glyphs function in FreeType before 2.4.11 allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via vectors related to BDF fonts and an incorrect calculation that triggers an out-of-bounds read.
Affected software
FreeType
Gentoo Linux
Amazon Linux AMI
Slackware Linux
freetype (Alpine package)
Gentoo Linux
Amazon Linux AMI
Slackware Linux
freetype (Alpine package)
How to mitigate CVE-2012-5669
Install update from vendor's website.
FreeType - update to 2.4.11
freetype (Alpine package) - update to 2.4.11-r0
freetype (Alpine package) - update to 2.4.11-r0
External References
- http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=07bdb6e289c7954e2a533039dc93c1c136099d2d
- http://lists.opensuse.org/opensuse-updates/2013-01/msg00056.html
- http://lists.opensuse.org/opensuse-updates/2013-01/msg00068.html
- http://lists.opensuse.org/opensuse-updates/2013-01/msg00078.html
- http://rhn.redhat.com/errata/RHSA-2013-0216.html
- http://secunia.com/advisories/51826
- http://secunia.com/advisories/51900
- http://www.freetype.org/
- http://www.openwall.com/lists/oss-security/2012/12/25/2
- http://www.securitytracker.com/id?1027921
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2013&m=slackware-security.520186
- http://www.ubuntu.com/usn/USN-1686-1
- https://savannah.nongnu.org/bugs/?37906