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TUCoPS :: Linux :: Gentoo :: bx4056.htm

UUDeview: Insecure temporary file creation



UUDeview: Insecure temporary file creation
UUDeview: Insecure temporary file creation



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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@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 




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