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Last updated: 9/1/2014 2:59:56 PM

CVE Publication rate: 13.23

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Vulnerability Workload Index: 5.82
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National Cyber Awareness System

Vulnerability Summary for CVE-2006-7226

Original release date: 12/03/2007
Last revised: 08/21/2010
Source: US-CERT/NIST

Overview

Perl-Compatible Regular Expression (PCRE) library before 6.7 does not properly calculate the compiled memory allocation for regular expressions that involve a quantified "subpattern containing a named recursion or subroutine reference," which allows context-dependent attackers to cause a denial of service (error or crash).

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.3 (MEDIUM) (AV:N/AC:M/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: CONFIRM
Name: http://www.pcre.org/changelog.txt
External Source: REDHAT
Name: RHSA-2007:1059
External Source: SUSE
Name: SUSE-SA:2008:004
External Source: MANDRIVA
Name: MDVSA-2008:030
External Source: SECUNIA
Name: 28041
External Source: BID
Name: 26727
External Source: MISC
Name: https://bugzilla.redhat.com/show_bug.cgi?id=384781
External Source: OVAL
Name: oval:org.mitre.oval:def:11545
External Source: CONFIRM
Name: http://support.avaya.com/elmodocs2/security/ASA-2007-505.htm
External Source: REDHAT
Name: RHSA-2007:1068
External Source: SECUNIA
Name: 28658
External Source: XF
Name: pcre-library-subpattern-dos(40020)

References to Check Content

Identifier: oval:org.mitre.oval:def:11545
Check System: http://oval.mitre.org/XMLSchema/oval-definitions-5

Technical Details

Vulnerability Type (View All)