Vulnerability CVE-2001-0669


Published: 2001-10-30   Modified: 2012-02-12

Description:
Various Intrusion Detection Systems (IDS) including (1) Cisco Secure Intrusion Detection System, (2) Cisco Catalyst 6000 Intrusion Detection System Module, (3) Dragon Sensor 4.x, (4) Snort before 1.8.1, (5) ISS RealSecure Network Sensor 5.x and 6.x before XPU 3.2, and (6) ISS RealSecure Server Sensor 5.5 and 6.0 for Windows, allow remote attackers to evade detection of HTTP attacks via non-standard "%u" Unicode encoding of ASCII characters in the requested URL.

Vendor: ISS
Product: Realsecure network sensor 
Version: 6.x; 5.x;
Product: Realsecure server sensor 
Version: 6.0; 5.5;
Vendor: Enterasys
Product: Dragon 
Version: 4.x;
Vendor: Snort
Product: Snort 
Version: 1.8.1;
Vendor: Cisco
Product: Catalyst 6000 intrusion detection system module 
Product: Secure intrusion detection system 

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial

 References:
http://marc.info/?l=bugtraq&m=99972950200602&w=2
http://www.cisco.com/warp/public/707/cisco-intrusion-detection-obfuscation-vuln-pub.shtml
http://www.kb.cert.org/vuls/id/548515
http://www.securityfocus.com/bid/3292
http://xforce.iss.net/alerts/advise95.php

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