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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):
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 serviceUnknown

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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

Vulnerable software and versions

Nav control imageConfiguration 1
spacerNav control imageAND
spacerspacerNav control imageOR
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:3.2.3::open_source and previous versions
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:3.2.2::open_source
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:3.2.1::open_source
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:3.2:beta1:open_source
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:3.2:alpha1:open_source
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:3.2:alpha2:open_source
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:3.1:beta1:open_source
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:3.1:beta2:open_source
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:3.1.4::open_source
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:3.1.3::open_source
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:3.1.2::open_source
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:3.1.1::open_source
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:3.1.0::open_source
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:3.0.9::open_source
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:3.0.8::open_source
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:3.0.7::open_source
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:3.0.6::open_source
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:3.0.5::open_source
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:3.0.4::open_source
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:3.0.3::open_source
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:3.0.2::open_source
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:3.0.1::open_source
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:3.0.10::open_source
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:3.0::open_source
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:2.1.4::open_source
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:2.1.3::open_source
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:2.1::open_source
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:2.0.10::open_source
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:2.0::open_source
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:1.9::open_source
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:1.5::open_source
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:1.4::open_source
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:1.3::open_source
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:1.6::open_source
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:1.2::open_source
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:1.1::open_source
spacerspacerline trunkNav control image* cpe:/a:balabit:syslog-ng:1.0::open_source
spacerspacerNav control imageOR
spacerspacerspacerNav control imagecpe:/a:pcre:pcre:8.12
* Denotes Vulnerable Software

Technical Details

Vulnerability Type (View All)
  • Resource Management Errors (CWE-399)