National Cyber Awareness System
Vulnerability Summary for CVE-2011-1951
Original release date:07/11/2011
Last revised:07/12/2011
Source:
US-CERT/NIST
Overview
lib/logmatcher.c in Balabit syslog-ng before 3.2.4, when the global flag is set and when using PCRE 8.12 and possibly other versions, allows remote attackers to cause a denial of service (memory consumption) via a message that does not match a regular expression.
Impact
CVSS Severity (version 2.0):
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 serviceUnknown
References to Advisories, Solutions, and Tools
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External Source: MISC
Name: https://bugzilla.redhat.com/show_bug.cgi?id=709088
Type: Patch Information
External Source: MLIST
Name: [oss-security] 20110526 CVE Request -- syslog-ng -- Possible DoS
Type: Patch Information
External Source: CONFIRM
Name: http://git.balabit.hu/?p=bazsi/syslog-ng-3.2.git;a=commit;h=09710c0b105e579d35c7b5f6c66d1ea5e3a3d3ff
Type: Patch Information
External Source: BID
Name: 47800
External Source: SECUNIA
Name: 45122
Type: Advisory
External Source: FEDORA
Name: FEDORA-2011-8405
Technical Details
- Resource Management Errors (CWE-399)