[gentoo-announce] [ GLSA 200808-11 ] UUDeview: Insecure temporary file creation

[news 28]

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Gentoo Linux Security Advisory GLSA 200808-11

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http://security.gentoo.org/

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Severity: Normal

Title: UUDeview: Insecure temporary file creation

Date: August 11, 2008

Bugs: #222275, #224193

ID: 200808-11

 

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Synopsis

========

 

A vulnerability in UUDeview may allow local attackers to conduct

symlink attacks.

 

Background

==========

 

UUdeview is encoder and decoder supporting various binary formats.

NZBGet is a command-line based binary newsgrabber supporting .nzb

files.

 

Affected packages

=================

 

-------------------------------------------------------------------

Package / Vulnerable / Unaffected

-------------------------------------------------------------------

1 app-text/uudeview < 0.5.20-r1 >= 0.5.20-r1

2 news-nntp/nzbget < 0.4.0 >= 0.4.0

-------------------------------------------------------------------

2 affected packages on all of their supported architectures.

-------------------------------------------------------------------

 

Description

===========

 

UUdeview makes insecure usage of the tempnam() function when creating

temporary files. NZBGet includes a copy of the vulnerable code.

 

Impact

======

 

A local attacker could exploit this vulnerability to overwrite

arbitrary files on the system.

 

Workaround

==========

 

There is no known workaround at this time.

 

Resolution

==========

 

All UUDview users should upgrade to the latest version:

 

# emerge --sync

# emerge --ask --oneshot --verbose ">=app-text/uudeview-0.5.20-r1"

 

All NZBget users should upgrade to the latest version:

 

# emerge --sync

# emerge --ask --oneshot --verbose ">=news-nntp/nzbget-0.4.0"

 

References

==========

 

[ 1 ] CVE-2008-2266

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2266

 

Availability

============

 

This GLSA and any updates to it are available for viewing at

the Gentoo Security Website:

 

http://security.gentoo.org/glsa/glsa-200808-11.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 ( -at -) gentoo.org 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