id3lib: Insecure temporary file creation

Security Team  Contact Address

Updated September 15, 2007

1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200709-08 / id3lib
Release Date September 15, 2007
Latest Revision September 15, 2007: 01
Impact normal
Exploitable local
Package Vulnerable versions Unaffected versions Architecture(s)
media-libs/id3lib < 3.8.3-r6 >= 3.8.3-r6 All supported architectures

Related bugreports: #189610

Synopsis

A vulnerability has been discovered in id3lib allowing local users to overwrite arbitrary files via a symlink attack.

2.  Impact Information

Background

id3lib is an open-source, cross-platform software development library for reading, writing, and manipulating ID3v1 and ID3v2 tags.

Description

Nikolaus Schulz discovered that the function RenderV2ToFile() in file src/tag_file.cpp creates temporary files in an insecure manner.

Impact

A local attacker could exploit this vulnerability via a symlink attack to overwrite arbitrary files.

3.  Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All id3lib users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=media-libs/id3lib-3.8.3-r6"

4.  References