SB2013012405 - Buffer overflow in FreeType
Published: January 24, 2013 Updated: August 11, 2020
Security Bulletin ID
SB2013012405
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Buffer overflow (CVE-ID: CVE-2012-5670)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 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/E:U/U:Green
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 (out-of-bounds write and crash) via vectors related to BDF fonts and an ENCODING field with a negative value.
Remediation
Install update from vendor's website.
References
- http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=7f2e4f4f553f6836be7683f66226afac3fa979b8
- http://lists.opensuse.org/opensuse-updates/2013-01/msg00056.html
- http://lists.opensuse.org/opensuse-updates/2013-01/msg00078.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/?37907