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TITLE:
3Com TippingPoint IPS Extended Unicode Detection Bypass

SECUNIA ADVISORY ID:
SA26013

VERIFY ADVISORY:
http://secunia.com/advisories/26013/

CRITICAL:
Less critical

IMPACT:
Security Bypass

WHERE:
>From remote

OPERATING SYSTEM:
TippingPoint IPS (TOS) 2.x
http://secunia.com/product/6881/

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.
http://tmc.tippingpoint.com

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

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About:
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http://secunia.com/about_secunia_advisories/


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