The 3Com TippingPoint IPS do not properly handle certain full-width and half-width Unicode character encodings in an HTTP POST request, which might allow remote attackers to evade detection of HTTP traffic.
CVSS Severity (version 2.0):
Impact Subscore: 6.4
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service
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20070515 GS07-01 Full-Width and Half-Width Unicode Encoding IDS/IPS/WAF Bypass Vulnerability
US-CERT Vulnerability Note:
Advisory; Patch Information