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Insecure Library Loading
Highly critical

Blue Coat K9 Web Protection Management Service Buffer Overflow

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Release Date:  2007-06-08    Views:  9,902

Secunia Advisory SA25593

Where:

From remote

Impact:

Privilege escalation, System access

Solution Status:

Vendor Patch

CVE Reference(s):

Description


CSIS Security Group has reported a vulnerability in BlueCoat K9 Web Protection, which can be exploited by malicious, local users to gain escalated privileges or by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error in the web-based management service (k9filter.exe) when processing URLs. This can be exploited to cause a buffer overflow via an overly long HTTP request to localhost port 2372.

Successful exploitation may allow execution of arbitrary code with SYSTEM privileges. However, a remote attack requires that a user e.g. is tricked into visiting a malicious website or otherwise follow a specially crafted link.


Solution:
Update to version 3.2.44 or later.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Dennis Rand, CSIS Security Group.

Original Advisory:
CSIS Security Group:
http://www.csis.dk/dk/forside/Bluecoat-k9.pdf

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: Blue Coat K9 Web Protection Management Service Buffer Overflow

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