GLSA 200803-11: Vobcopy: Insecure temporary file creation

http://security.gentoo.org/

Severity:	normal
Title:	Vobcopy: Insecure temporary file creation
Date:	03/05/2008
Bugs:	#197578
ID:	200803-11

Synopsis

Vobcopy uses temporary files in an insecure manner, allowing for a symlink attack.

Background

Vobcopy is a tool for decrypting and copying DVD .vob files to a hard disk.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
media-video/vobcopy	< 1.1.0	>= 1.1.0	All supported architectures

Description

Joey Hess reported that vobcopy appends data to the file "/tmp/vobcopy.bla" in an insecure manner.

Impact

A local attacker could exploit this vulnerability to conduct symlink attacks and append data to arbitrary files with the privileges of the user running Vobcopy.

Workaround

There is no known workaround at this time.

Resolution

All Vobcopy users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=media-video/vobcopy-1.1.0"

References

CVE-2007-5718

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200803-11.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.