National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2001-0669 Detail

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.

Source:  MITRE
Description Last Modified:  10/30/2001

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.3

Configuration 1 ( hide )
 cpe:/a:cisco:catalyst_6000_intrusion_detection_system_module
     Show Matching CPE(s)
 cpe:/a:cisco:secure_intrusion_detection_system
     Show Matching CPE(s)
 cpe:/a:iss:realsecure_network_sensor:5.x
     Show Matching CPE(s)
 cpe:/a:iss:realsecure_network_sensor:6.x
     Show Matching CPE(s)
 cpe:/a:iss:realsecure_server_sensor:5.5
     Show Matching CPE(s)
 cpe:/a:iss:realsecure_server_sensor:6.0
     Show Matching CPE(s)
 cpe:/a:snort:snort:1.8.1
     Show Matching CPE(s)

Configuration 2 ( hide )
 cpe:/h:enterasys:dragon:4.x
     Show Matching CPE(s)


Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2001-0669
NVD Published Date:
10/30/2001
NVD Last Modified:
10/17/2016