Amarok: User-assisted execution of arbitrary code

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Updated March 20, 2009

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200903-34 / amarok
Release Date	March 20, 2009
Latest Revision	March 20, 2009: 01
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
media-sound/amarok	< 1.4.10-r2	>= 1.4.10-r2	All supported architectures

Related bugreports: #254896

Synopsis

Multiple vulnerabilities in Amarok might allow for user-assisted execution of arbitrary code.

2. Impact Information

Background

Amarok is an advanced music player.

Description

Tobias Klein has discovered multiple vulnerabilities in Amarok:

Multiple integer overflows in the Audible::Tag::readTag() function in metadata/audible/audibletag.cpp trigger heap-based buffer overflows (CVE-2009-0135).
Multiple array index errors in the Audible::Tag::readTag() function in metadata/audible/audibletag.cpp can lead to invalid pointer dereferences, or the writing of a 0x00 byte to an arbitrary memory location after an allocation failure (CVE-2009-0136).

Impact

A remote attacker could entice a user to open a specially crafted Audible Audio (.aa) file with a large "nlen" or "vlen" tag value to execute arbitrary code or cause a Denial of Service.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All Amarok users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=media-sound/amarok-1.4.10-r2"

4. References