libextractor: Two heap-based buffer overflows

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200605-14 / libextractor
Release Date	May 21, 2006
Latest Revision	May 21, 2006: 01
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
media-libs/libextractor	< 0.5.14	>= 0.5.14	All supported architectures

Related bugreports: #133570

Synopsis

libextractor is vulnerable to two heap overflow vulnerabilities which could lead to the execution of arbitrary code.

2. Impact Information

Background

libextractor is a library used to extract metadata from arbitrary files.

Description

Luigi Auriemma has found two heap-based buffer overflows in libextractor 0.5.13 and earlier: one of them occurs in the asf_read_header function in the ASF plugin, and the other occurs in the parse_trak_atom function in the Qt plugin.

Impact

By enticing a user to open a malformed file using an application that employs libextractor and its ASF or Qt plugins, an attacker could execute arbitrary code in the context of the application running the affected library.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All libextractor users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=media-libs/libextractor-0.5.14"

4. References

Updated May 21, 2006

Summary: This is a Gentoo Linux Security Advisory

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