National Vulnerability Database (NVD) National Vulnerability Database (CVE-2001-0669)

Mission and Overview

NVD is the U.S. government repository of standards based vulnerability management data. This data enables automation of vulnerability management, security measurement, and compliance (e.g. FISMA).

Resource Status

NVD contains:

CVE Vulnerabilities: 39671
Checklists: 129
US-CERT Alerts: 187
US-CERT Vuln Notes: 2351
OVAL Queries: 2517
CPE Names: 17905

Last updated: Sun Nov 22 18:44:50 EST 2009

CVE Publication rate: 9.67

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Workload Index

Vulnerability Workload Index: 5.3

About Us

NVD is a product of the NIST Computer Security Division and is sponsored by the Department of Homeland Security's National Cyber Security Division. It supports the U.S. government multi-agency (OSD, DHS, NSA, DISA, and NIST) Information Security Automation Program. It is the U.S. government content repository for the Security Content Automation Protocol (SCAP).

NIST Security Configuration Checklists - CSD

National Cyber-Alert System

Vulnerability Summary for CVE-2001-0669

Original release date:10/30/2001

Last revised:09/05/2008

Source: US-CERT/NIST

Overview

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.

Impact

CVSS Severity (version 2.0):

CVSS v2 Base Score:7.5 (HIGH) (AV:N/AC:L/Au:N/C:P/I:P/A:P) (legend)

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

References to Advisories, Solutions, and Tools

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US-CERT Vulnerability Note: VU#548515

Name: VU#548515

Hyperlink:http://www.kb.cert.org/vuls/id/548515

External Source: ISS

Name: 20010905 Multiple Vendor IDS Unicode Bypass Vulnerability

Type: Advisory; Patch Information

Hyperlink:http://xforce.iss.net/alerts/advise95.php

External Source: CISCO

Name: 20010905 Cisco Secure Intrusion Detection System Signature Obfuscation Vulnerability

Type: Advisory; Patch Information

Hyperlink:http://www.cisco.com/warp/public/707/cisco-intrusion-detection-obfuscation-vuln-pub.shtml

External Source: BUGTRAQ