Vulnerability CVE-2007-2688
Published: 2007-05-15   Modified: 2012-02-12

Description:
The Cisco Intrusion Prevention System (IPS) and IOS with Firewall/IPS Feature Set do not properly handle certain full-width and half-width Unicode character encodings, which might allow remote attackers to evade detection of HTTP traffic.

Type:

CWE-Other

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.8/10
6.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
Cisco -> Intrusion prevention system 
Cisco -> IOS 
Cisco -> Ips sensor software 

 References:
http://www.cisco.com/en/US/products/products_security_response09186a008083f82e.html
http://www.gamasec.net/english/gs07-01.html
http://www.kb.cert.org/vuls/id/739224
http://www.securityfocus.com/archive/1/468633/100/0/threaded
http://www.securityfocus.com/bid/23980
http://www.securitytracker.com/id?1018053
http://www.securitytracker.com/id?1018054
http://www.vupen.com/english/advisories/2007/1803
https://exchange.xforce.ibmcloud.com/vulnerabilities/34277
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5465
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