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Insecure Library Loading
Moderately critical

MIMEsweeper for Web Cross-Site Scripting and Denial of Service

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Release Date:  2006-07-10    Last Update:  2006-07-13    Views:  9,652

Secunia Advisory SA20998

Where:

From remote

Impact:

Cross Site Scripting, DoS

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Two vulnerabilities have been reported in MIMEsweeper for Web, which can be exploited by malicious people to cause a DoS (Denial of Service) and conduct cross-site scripting attacks.

1) Input passed via the URL when attempting to access blocked web sites (as defined by the MIMEsweeper policy) isn't properly sanitised before being returned to the user via an error page. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an arbitrary blocked web site.

Example:
http://[blocked web site]/[code]

2) An error in the scanning functionality can be exploited to crash the Web Policy Engine service via a specially crafted, encrypted RAR archive.


Solution:
Update to version 5.1.15.

Further details available to Secunia VIM customers

Provided and/or discovered by:
1) Erez Metula
2) Reported by the vendor.

Original Advisory:
Clearswift:
http://download.mimesweeper.com/www/TechnicalDocumentation/WebReadMeHotfix5115.htm

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: MIMEsweeper for Web Cross-Site Scripting and Denial of Service

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