Internet Security Systems, Inc. Information for VU#739224
HTTP content scanning systems full-width/half-width Unicode encoding bypass
- Vendor Information Help Date Notified: 16 Apr 2007
- Statement Date:
- Date Updated: 16 May 2007
Status
Affected
Vendor Statement
IBM Internet Security Systems updated its Proventia products to contain this evasion technique on May 8, 2007.
The HTTP Post normalization logic has been updated to address an evasion that can occur when parsing Microsoft Unicode syntax. This issue was reported to IBM/ISS by Fatih Ozavci and Caglar Cakici of GamaSec (http://www.gamasec.net/english/gs07-01.html).
Vendor Information
We are not aware of further vendor information regarding this vulnerability.
Vendor References
None
Addendum
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