[NT] RockLiffe MailSite XSS and DoS

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RockLiffe MailSite XSS and DoS
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SUMMARY

" <http://www.rockliffe.com/> Rockliffe's MailSite is a program for
providing access to email accounts on Microsoft Windows operating
systems." MailSite HTTP Mail management agent allows a remote attacker to
cause a denial of service or execute arbitrary script code.

DETAILS

Vulnerable Systems:
* MailSite version 7.0.3.1 and prior
* MailSite version 6.1.22 and prior
* MailSite version 5.x

MailSite HTTP Mail management agent version 7.0.3.1 allow a remote
attacker cause a denial of service. The bug exists in the input validation
routine of httpma that causes the svchost process to consume CPU cycles
and impacting Mailsite HTTP Management agent that will ultimately crash
the service.

The MailSite HTTP Mail management agent versions 6.x and 5.x allows a
remote attacker to inject arbitrary script code. This vulnerability is
caused due to a design error in the wconsole.dll. This dll file contains
html code embedded in it which is not properly sanitizing the user-input.

Proof of Concept:
For 7.x series
http://[website]:90/CGI-BIN/WCONSOLE.DLL?Authenticate|cmd
Any special characters passed to the parameters in the wconsole.dll
triggers denial of service.

For 6.x & 5.x series
http://[website]:90/CGI-BIN/WCONSOLE.DLL?%3Cscript%3Ealert(document.cookie)%3C/script%3E

Vendor Status:
The vendor has issued a fix:
For 7.x series apply the following patch:
<ftp://ftp.rockliffe.com/MailSite/Latest/Hotfixes/>
ftp://ftp.rockliffe.com/MailSite/Latest/Hotfixes/
For 6.x series apply the following patch:
<ftp://ftp.rockliffe.com/MailSite/6.1.22/Hotfixes/>
ftp://ftp.rockliffe.com/MailSite/6.1.22/Hotfixes/

Disclosure Timeline:
01/06/2006 - Issue Discovered
01/06/2006 - Reported to the vendor
01/19/2006 - Patch Released
01/20/2006 - Advisory Released


ADDITIONAL INFORMATION

The information has been provided by <mailto:os2a.bto@xxxxxxxxx> OS2A
BTO.



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