FreeType: Multiple integer overflows

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200607-02 / FreeType
Release Date	July 09, 2006
Latest Revision	September 03, 2006: 02
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
media-libs/freetype	< 2.1.10-r2	>= 2.1.10-r2, < 2.0	All supported architectures

Related bugreports: #124828

Synopsis

Multiple remotely exploitable buffer overflows have been discovered in FreeType, resulting in the execution of arbitrary code.

2. Impact Information

Background

FreeType is a portable font engine.

Description

Multiple integer overflows exist in a variety of files (bdf/bdflib.c, sfnt/ttcmap.c, cff/cffgload.c, base/ftmac.c).

Impact

A remote attacker could exploit these buffer overflows by enticing a user to load a specially crafted font, which could result in the execution of arbitrary code.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All FreeType users should upgrade to the latest stable version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=media-libs/freetype-2.1.10-r2"

4. References

CVE-2006-1861

Updated July 09, 2006

Summary: This is a Gentoo Linux Security Advisory

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