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CVE-2012-5670

Status Candidate

Overview

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.

Related Files

Gentoo Linux Security Advisory 201402-16
Posted Feb 11, 2014
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201402-16 - Multiple vulnerabilities have been found in FreeType, allowing context-dependent attackers to possibly execute arbitrary code or cause Denial of Service. Versions less than 2.4.11 are affected.

tags | advisory, denial of service, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2012-5668, CVE-2012-5669, CVE-2012-5670
MD5 | 5c13e59d7ad83e885d10ff92d4665f28
Mandriva Linux Security Advisory 2013-039
Posted Apr 5, 2013
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2013-039 - A null pointer de-reference flaw was found in the way Freetype font rendering engine handled Glyph bitmap distribution format fonts. A remote attacker could provide a specially-crafted BDF font file, which once processed in an application linked against FreeType would lead to that application crash. An out-of heap-based buffer read flaw was found in the way FreeType font rendering engine performed parsing of glyph information and relevant bitmaps for glyph bitmap distribution format (BDF). A remote attacker could provide a specially-crafted BDF font file, which once opened in an application linked against FreeType would lead to that application crash. An out-of heap-based buffer write flaw was found in the way FreeType font rendering engine performed parsing of glyph information and relevant bitmaps for glyph bitmap distribution format (BDF). A remote attacker could provide a specially-crafted font file, which once opened in an application linked against FreeType would lead to that application crash, or, potentially, arbitrary code execution with the privileges of the user running the application.

tags | advisory, remote, arbitrary, code execution
systems | linux, mandriva
advisories | CVE-2012-5668, CVE-2012-5669, CVE-2012-5670
MD5 | 58213ce4ba9ae88554e117cc284b0ad5
Slackware Security Advisory - Freetype Updates
Posted Jan 16, 2013
Authored by Slackware Security Team | Site slackware.com

Slackware Security Advisory - New freetype packages are available for Slackware 12.1, 12.2, 13.0, 13.1, 13.37, 14.0, and -current to fix security issues.

tags | advisory
systems | linux, slackware
advisories | CVE-2012-5668, CVE-2012-5669, CVE-2012-5670
MD5 | b9a7d5aa9521cf68503e02c0cbe0e6f0
Ubuntu Security Notice USN-1686-1
Posted Jan 15, 2013
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1686-1 - Mateusz Jurczyk discovered that FreeType did not correctly handle certain malformed BDF font files. If a user were tricked into using a specially crafted font file, a remote attacker could cause FreeType to crash or possibly execute arbitrary code with user privileges.

tags | advisory, remote, arbitrary
systems | linux, ubuntu
advisories | CVE-2012-5668, CVE-2012-5669, CVE-2012-5670
MD5 | 2340cc0cecc4fb3df21438685c5e9ddb
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