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[ GLSA 200709-08 ] id3lib: Insecure temporary file creation
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PostPosted: Sat Sep 15, 2007 5:26 pm    Post subject: [ GLSA 200709-08 ] id3lib: Insecure temporary file creation Reply with quote

Gentoo Linux Security Advisory

Title: id3lib: Insecure temporary file creation (GLSA 200709-08)
Severity: normal
Exploitable: local
Date: September 15, 2007
Bug(s): #189610
ID: 200709-08

Synopsis

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

Background

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

Affected Packages

Package: media-libs/id3lib
Vulnerable: < 3.8.3-r6
Unaffected: >= 3.8.3-r6
Architectures: All supported architectures


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.

Workaround

There is no known workaround at this time.

Resolution

All id3lib users should upgrade to the latest version:
Code:
# emerge --sync
# emerge --ask --oneshot --verbose ">=media-libs/id3lib-3.8.3-r6"


References

CVE-2007-4460
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