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Sophos Email Security Appliance Cross Site Scripting Vulnerability
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SUMMARY
Sophos ES1000 Email Security Appliance delivers "protection against spam,
viruses, Trojans, spyware and other malware. Sophos's award-winning
anti-virus engine detects all types of malware in a single, high-speed
scan. Every Sophos appliance is updated with new protection intelligence
every 5 minutes". During an audit of Sophos ES1000 Email Security
Appliance, a Cross Site Scripting vulnerability was discovered in its web
administration interface. Administration web interface is available on the
public network interface, over HTTPS on port 18080.
DETAILS
Vulnerable Systems:
* Sophos ES1000 version 2.1.0.0 and prior
* Sophos ES4000 version 2.1.0.0 and prior
Immune Systems:
* Sophos ES1000 version 2.1.1.0
* Sophos ES4000 version 2.1.1.0
Lack of input validation for 'error' and 'go' parameters of the 'Login'
script, allows malicious JavaScript code injection.
https://192.168.0.10:18080/Login?logout=0&error=<INJECTION>&go=<INJECTION>
This can be exploited by a malicious user to steal Sophos ES1000 Email
Security Appliance administrator credentials, and shut down the appliance,
or change its configuration.
Fix:
This vulnerability has been fixed in Sophos Email Appliance version
2.1.1.0 and above, available automatically to Sophos' customers between
14-21 February 2008. More information at
<http://www.sophos.com/support/knowledgebase/article/34733.html>
http://www.sophos.com/support/knowledgebase/article/34733.html
Vendor status:
28.01.2008 - Initial contact, automated response
04.02.2008 - Repeated contact
06.02.2008 - Vendor response
07.02.2008 - Vendor status update
08.02.2008 - Vendor status update
13.02.2008 - Vendor status update
14.02.2008 - fix available
15.02.2008 - Coordinated public disclosure
ADDITIONAL INFORMATION
The information has been provided by <mailto:leon.juranic@infigo.hr> Leon
Juranic.
The original article can be found at:
<http://www.infigo.hr/en/in_focus/advisories/INFIGO-2008-02-13>
http://www.infigo.hr/en/in_focus/advisories/INFIGO-2008-02-13
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