GLib: Execution of arbitrary code

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200904-02 / glib
Release Date	April 03, 2009
Latest Revision	April 05, 2009: 02
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
dev-libs/glib	< 2.18.4-r1	>= 2.18.4-r1, revision >= 2.16.6-r1, < 2	All supported architectures

Related bugreports: #249214

Synopsis

Multiple integer overflows might allow for the execution of arbitrary code when performing base64 conversion.

2. Impact Information

Background

The GLib is a library of C routines that is used by a multitude of programs.

Description

Diego E. Petteno` reported multiple integer overflows in glib/gbase64.c when converting a long string from or to a base64 representation.

Impact

A remote attacker could entice a user or automated system to perform a base64 conversion via an application using GLib, possibly resulting in the execution of arbitrary code.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All GLib 2.18 users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-libs/glib-2.18.4-r1"

All GLib 2.16 users should upgrade to the latest version:

Code Listing 3.2: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-libs/glib-2.16.6-r1"

4. References

CVE-2008-4316

Page updated April 03, 2009

Summary: This is a Gentoo Linux Security Advisory

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