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SquirrelMail: Multiple vulnerabilities



SquirrelMail: Multiple vulnerabilities
SquirrelMail: Multiple vulnerabilities



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Gentoo Linux Security Advisory                           GLSA 201001-08
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http://security.gentoo.org/ 
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  Severity: High
     Title: SquirrelMail: Multiple vulnerabilities
      Date: January 13, 2010
      Bugs: #269567, #270671
        ID: 201001-08

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Synopsis
=======
Multiple vulnerabilities were found in SquirrelMail of which the worst
results in remote code execution.

Background
=========
SquirrelMail is a standards-based webmail package written in PHP.

Affected packages
================
    -------------------------------------------------------------------
     Package                   /  Vulnerable  /             Unaffected
    -------------------------------------------------------------------
  1  mail-client/squirrelmail      < 1.4.19                  >= 1.4.19

Description
==========
Multiple vulnerabilities were found in SquirrelMail:

* Niels Teusink reported multiple input sanitation flaws in certain
  encrypted strings in e-mail headers, related to
  contrib/decrypt_headers.php, PHP_SELF and the query string (aka
  QUERY_STRING) (CVE-2009-1578).

* Niels Teusink also reported that the map_yp_alias() function in
  functions/imap_general.php does not filter shell metacharacters in a
  username and that the original patch was incomplete (CVE-2009-1381,
  CVE-2009-1579).

* Tomas Hoger discovered an unspecified session fixation
  vulnerability (CVE-2009-1580).

* Luc Beurton reported that functions/mime.php does not protect the
  application's content from Cascading Style Sheets (CSS) positioning
  in HTML e-mail messages (CVE-2009-1581).

Impact
=====
The vulnerabilities allow remote attackers to execute arbitrary code
with the privileges of the user running the web server, to hijack web
sessions via a crafted cookie, to spoof the user interface and to
conduct Cross-Site Scripting and phishing attacks, via a specially
crafted message.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All SquirrelMail users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=mail-client/squirrelmail-1.4.19"

References
=========
  [ 1 ] CVE-2009-1381
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1381 
  [ 2 ] CVE-2009-1578
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1578 
  [ 3 ] CVE-2009-1579
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1579 
  [ 4 ] CVE-2009-1580
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1580 
  [ 5 ] CVE-2009-1581
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1581 

Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

http://security.gentoo.org/glsa/glsa-201001-08.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.

License
======
Copyright 2010 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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