Secunia Security Advisory - Microsoft has released an update for Exchange Server 5.5 SP4. This fixes a vulnerability, allowing malicious people to conduct script insertion attacks. The vulnerability is caused due to an input validation error in a HTML redirection query. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected website when a malicious entry is viewed. This vulnerability affects Microsoft Exchange 5.5 with Service Pack 4.
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TITLE:
Microsoft Exchange HTML Redirection Script Insertion Vulnerability
SECUNIA ADVISORY ID:
SA12261
VERIFY ADVISORY:
http://secunia.com/advisories/12261/
CRITICAL:
Moderately critical
IMPACT:
Cross Site Scripting
WHERE:
>From remote
SOFTWARE:
Microsoft Exchange 5.5
http://secunia.com/product/148/
DESCRIPTION:
Microsoft has released an update for Exchange Server 5.5 SP4. This
fixes a vulnerability, allowing malicious people to conduct script
insertion attacks.
The vulnerability is caused due to an input validation error in a
HTML redirection query. This can be exploited to execute arbitrary
HTML and script code in a user's browser session in context of an
affected website when a malicious entry is viewed.
This vulnerability affects Microsoft Exchange 5.5 with Service Pack
4.
SOLUTION:
Apply patch.
Microsoft Exchange 5.5 with Service Pack 4:
http://www.microsoft.com/downloads/details.aspx?FamilyId=66E4E033-5A4C-4EEC-84F1-31F0CA878092&displaylang=en
PROVIDED AND/OR DISCOVERED BY:
Amit Klein of Sanctum Inc.
ORIGINAL ADVISORY:
Microsoft Security Bulletin MS04-026 (KB842436):
http://www.microsoft.com/technet/security/bulletin/ms04-026.mspx
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