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securityvulnsSecurityvulnsSECURITYVULNS:DOC:19348
HistoryMar 06, 2008 - 12:00 a.m.

[ GLSA 200803-11 ] Vobcopy: Insecure temporary file creation

2008-03-0600:00:00
vulners.com
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Gentoo Linux Security Advisory GLSA 200803-11


                                        http://security.gentoo.org/

Severity: Normal
Title: Vobcopy: Insecure temporary file creation
Date: March 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
-------------------------------------------------------------------

1 media-video/vobcopy < 1.1.0 >= 1.1.0

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 &quot;&gt;=media-video/vobcopy-1.1.0&quot;

References

[ 1 ] CVE-2007-5718
http://cve.mitre.org/cgi-bin/cvename.cgi?name=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
[email protected] or alternatively, you may file a bug at
http://bugs.gentoo.org.

License

Copyright 2008 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.5
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