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UNIRAS Brief - 462/05 - SquirrelMail Security Advisory: XSS - SquirrelMail versions 1.4.0 - 1.4.4



 
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   UNIRAS (UK Govt CERT) Briefing Notice - 462/05 dated 20.06.05  Time: 14:30  
  UNIRAS is part of NISCC (National Infrastructure Security Co-ordination Centre)
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  UNIRAS material is also available from its website at www.uniras.gov.uk and
         Information about NISCC is available from www.niscc.gov.uk
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Title
=====

SquirrelMail Security Advisory: XSS - SquirrelMail versions 1.4.0 - 1.4.4.

Detail
====== 

UNIRAS received the following briefing from SquirrelMail:

Several cross site scripting (XSS) vulnerabilties have been discovered
in SquirrelMail versions 1.4.0 - 1.4.4. These have been addressed in a
patch that can be found at [1]. We advise all our users to apply this
patch. We're also releasing SquirrelMail 1.4.5 release candidate 1
today. We expect version 1.4.5 to be out within two weeks from
now.

The vulnerabilities are in two categories: the majority can be exploited
through URL manipulation, and some by sending a specially crafted email
to a victim. When done very carefully, this may allow for an attacker
to hijack the user's session.

We know that versions 1.4.0 to 1.4.3a are vulnerable to most of the
issues. The 1.2.x series is not supported anymore; we advise users of
that series to upgrade to 1.4.4 with the patch applied.

Credits: we would like to thank Martijn Brinkers who helped a lot in
finding these vulnerabilities, and Cor Bosman of XS4ALL who helped in
testing the proposed fixes.

[1] http://www.squirrelmail.org/security/issue/2005-06-15

- -- 
Jonathan Angliss
<jon@xxxxxxxxxxxxxxxx>



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For additional information or assistance, please contact the HELP Desk by 
telephone or Not Protectively Marked information may be sent via 
EMail to: uniras@xxxxxxxxxxxx

Office Hours:
Mon - Fri: 08:30 - 17:00 Hrs
Tel: +44 (0) 870 487 0748 Ext 4511
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Outside of Office Hours:
On Call Duty Officer:
Tel: +44 (0) 870 487 0748 and follow the prompts

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UNIRAS wishes to acknowledge the contributions of SquirrelMail for the information 
contained in this Briefing. 
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This Briefing contains the information released by the original author. Some 
of the information may have changed since it was released. If the vulnerability 
affects you, it may be prudent to retrieve the advisory from the canonical site 
to ensure that you receive the most current information concerning that problem.

Reference to any specific commercial product, process, or service by trade 
name, trademark manufacturer, or otherwise, does not constitute or imply 
its endorsement, recommendation, or favouring by UNIRAS or NISCC.  The views 
and opinions of authors expressed within this notice shall not be used for 
advertising or product endorsement purposes.

Neither UNIRAS or NISCC shall also accept responsibility for any errors 
or omissions contained within this briefing notice. In particular, they shall 
not be liable for any loss or damage whatsoever, arising from or in connection 
with the usage of information contained within this notice.

UNIRAS is a member of the Forum of Incident Response and Security Teams (FIRST) 
and has contacts with other international Incident Response Teams (IRTs) in 
order to foster cooperation and coordination in incident prevention, to prompt 
rapid reaction to incidents, and to promote information sharing amongst its 
members and the community at large. 
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<End of UNIRAS Briefing>

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______________________________________________________________________
This email has been scanned by the MessageLabs Email Security System.
For more information please visit http://www.messagelabs.com/email 
______________________________________________________________________

______________________________________________________________________
This email has been scanned by the MessageLabs Email Security System.
For more information please visit http://www.messagelabs.com/email 
______________________________________________________________________