CVE-2011-1951

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.

CVSS v2.0 4.3 MEDIUM

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:N/A:P

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://git.balabit.hu/?p=bazsi/syslog-ng-3.2.git%3Ba=commit%3Bh=09710c0b105e579d35c7b5f6c66d1ea5e3a3d3ff
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062107.html	Mailing List Third Party Advisory
http://secunia.com/advisories/45122	Third Party Advisory
http://www.openwall.com/lists/oss-security/2011/05/26/1	Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/47800	Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=709088	Issue Tracking Patch Third Party Advisory
http://git.balabit.hu/?p=bazsi/syslog-ng-3.2.git%3Ba=commit%3Bh=09710c0b105e579d35c7b5f6c66d1ea5e3a3d3ff
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062107.html	Mailing List Third Party Advisory
http://secunia.com/advisories/45122	Third Party Advisory
http://www.openwall.com/lists/oss-security/2011/05/26/1	Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/47800	Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=709088	Issue Tracking Patch Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:oneidentity:syslog-ng:*:*:*:*:*:*:*:*

cpe:2.3:a:pcre:pcre:8.12:*:*:*:*:*:*:*

History

No history.

Information

Published : 2011-07-11 20:55

Updated : 2025-04-11 00:51

NVD link : CVE-2011-1951

Mitre link : CVE-2011-1951

CVE.ORG link : CVE-2011-1951

JSON object : View

Products Affected

pcre

pcre

oneidentity

syslog-ng

CWE

CWE-399

Resource Management Errors

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