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Last updated: 12/25/2014 10:50:53 AM

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Vulnerability Summary for CVE-2006-2769

Original release date: 06/02/2006
Last revised: 06/20/2011


The HTTP Inspect preprocessor (http_inspect) in Snort 2.4.0 through 2.4.4 allows remote attackers to bypass "uricontent" rules via a carriage return (\r) after the URL and before the HTTP declaration.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.0 (MEDIUM) (AV:N/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows disruption of service


This vulnerability is addressed in the following product release: Snort, 2.4.4 source with uricontent patch

References to Advisories, Solutions, and Tools

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External Source: SECTRACK
Name: 1016191
Type: Patch Information; Exploit
External Source: SECUNIA
Name: 20766
Type: Advisory
External Source: SREASON
Name: 1018
External Source: BUGTRAQ
Name: 20060603 Re: New Snort Bypass - Patch - Bypass of Patch
External Source: BUGTRAQ
Name: 20060602 Re: New Snort Bypass - Patch - Bypass of Patch
External Source: BUGTRAQ
Name: 20060601 Snort HTTP Inspect Pre-Processor Uricontent Bypass
External Source: MISC
Name: http://www.demarc.com/support/downloads/patch_20060531
Type: Patch Information; Exploit
External Source: SECUNIA
Name: 20413
Type: Advisory
External Source: OSVDB
Name: 25837
Type: Patch Information; Exploit
External Source: MLIST
Name: [Snort-devel] 20060531 Snort Uricontent Bypass Vulnerability
Type: Patch Information
External Source: XF
Name: snort-uricontent-rule-bypass(26855)
External Source: VUPEN
Name: ADV-2006-2119
Type: Advisory
External Source: SUSE
Name: SUSE-SR:2006:014
External Source: BID
Name: 18200
Type: Patch Information; Exploit
External Source: CONFIRM
Name: http://www.snort.org/pub-bin/snortnews.cgi#431
External Source: BUGTRAQ
Name: 20060602 New Snort Bypass - Patch - Bypass of Patch

Technical Details

Vulnerability Type (View All)
  • Permissions, Privileges, and Access Control (CWE-264)