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CVE-2012-5668

Status Candidate

Overview

FreeType before 2.4.11 allows context-dependent attackers to cause a denial of service (NULL pointer dereference and crash) via vectors related to BDF fonts and the improper handling of an "allocation error" in the bdf_free_font function.

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
SHA-256 | 6381e71236e6912a4b602345bc96615a16154736eabddfc5f3cd27e51b8549f7
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
SHA-256 | d49ca19caa3552a985483bf312f8b9da7c61ef20cb6c78b0bcf036f2b62efd1f
Mandriva Linux Security Advisory 2013-006
Posted Feb 2, 2013
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2013-006 - 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. 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. The updated packages have been patched to correct these issues.

tags | advisory, remote
systems | linux, mandriva
advisories | CVE-2012-5668, CVE-2012-5669
SHA-256 | 3f10268fde1e677b8cbb611e28561f80e5c2be5b061f2d205fa851bda91c106c
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
SHA-256 | 1e0cce9a5fc7dbd714dbce76dcd670c91c3414a654e3ab4a5a0af79d0b44d4a5
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
SHA-256 | ff5afcec1caee64a1033d68cfc54664d11d85faa8910e69caf5983e3553d6e29
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