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3Com TippingPoint IPS Extended Unicode Detection Bypass

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Release Date:  2007-07-11    Last Update:  2007-07-13    Views:  7,107

Secunia Advisory SA26013

Where:

From remote

Impact:

Security Bypass

Solution Status:

Vendor Patch

Operating System:

CVE Reference(s):

Description


A vulnerability has been reported in TippingPoint IPS, which can be exploited by malicious people to bypass certain security restrictions.

The vulnerability is caused due to an error in the handling of extended unicode characters and can be exploited to evade detection by the IPS via e.g. a URI with an extended unicode representation for a forward slash.

The vulnerability is reported in TippingPoint IPS TOS versions 2.1 and 2.2.0 to 2.2.4.


Solution:
Update to the latest version.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Paul Craig, Security-Assessment.com

Original Advisory:
3Com:
http://www.3com.com/securityalert/alerts/3COM-07-003.html

Security-Assessment.com:
http://security-assessment.com/files/advisories/2007-07-11_Tippingpoint_IPS_Signature_Evasion.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: 3Com TippingPoint IPS Extended Unicode Detection Bypass

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