National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2011-1951 Detail

Current Description

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.

Source:  MITRE
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.balabit.hu/?p=bazsi/syslog-ng-3.2.git;a=commit;h=09710c0b105e579d35c7b5f6c66d1ea5e3a3d3ff Patch
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062107.html
http://www.openwall.com/lists/oss-security/2011/05/26/1 Patch
http://www.securityfocus.com/bid/47800
https://bugzilla.redhat.com/show_bug.cgi?id=709088 Patch

Technical Details

Vulnerability Type (View All)

  • Resource Management Errors (CWE-399)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:balabit:syslog-ng:1.0:*:open_source:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:balabit:syslog-ng:1.1:*:open_source:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:balabit:syslog-ng:1.2:*:open_source:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:balabit:syslog-ng:1.3:*:open_source:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:balabit:syslog-ng:1.4:*:open_source:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:balabit:syslog-ng:1.5:*:open_source:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:balabit:syslog-ng:1.6:*:open_source:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:balabit:syslog-ng:1.9:*:open_source:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:balabit:syslog-ng:2.0:*:open_source:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:balabit:syslog-ng:2.0.10:*:open_source:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:balabit:syslog-ng:2.1:*:open_source:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:balabit:syslog-ng:2.1.3:*:open_source:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:balabit:syslog-ng:2.1.4:*:open_source:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:balabit:syslog-ng:3.0:*:open_source:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:balabit:syslog-ng:3.0.1:*:open_source:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:balabit:syslog-ng:3.0.2:*:open_source:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:balabit:syslog-ng:3.0.3:*:open_source:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:balabit:syslog-ng:3.0.4:*:open_source:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:balabit:syslog-ng:3.0.5:*:open_source:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:balabit:syslog-ng:3.0.6:*:open_source:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:balabit:syslog-ng:3.0.7:*:open_source:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:balabit:syslog-ng:3.0.8:*:open_source:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:balabit:syslog-ng:3.0.9:*:open_source:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:balabit:syslog-ng:3.0.10:*:open_source:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:balabit:syslog-ng:3.1:beta1:open_source:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:balabit:syslog-ng:3.1:beta2:open_source:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:balabit:syslog-ng:3.1.0:*:open_source:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:balabit:syslog-ng:3.1.1:*:open_source:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:balabit:syslog-ng:3.1.2:*:open_source:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:balabit:syslog-ng:3.1.3:*:open_source:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:balabit:syslog-ng:3.1.4:*:open_source:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:balabit:syslog-ng:3.2:alpha1:open_source:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:balabit:syslog-ng:3.2:alpha2:open_source:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:balabit:syslog-ng:3.2:beta1:open_source:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:balabit:syslog-ng:3.2.1:*:open_source:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:balabit:syslog-ng:3.2.2:*:open_source:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:balabit:syslog-ng:*:*:open_source:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
3.2.3
Running on/with
 cpe:2.3:a:pcre:pcre:8.12:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2011-1951
NVD Published Date:
07/11/2011
NVD Last Modified:
07/12/2011