Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.015
EPSS Ranking 80.4%
CVSS Severity
CVSS v2 Score 4.3
References
- 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
- http://secunia.com/advisories/45122
- http://www.openwall.com/lists/oss-security/2011/05/26/1
- http://www.securityfocus.com/bid/47800
- https://bugzilla.redhat.com/show_bug.cgi?id=709088
- 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
- http://secunia.com/advisories/45122
- http://www.openwall.com/lists/oss-security/2011/05/26/1
- http://www.securityfocus.com/bid/47800
- https://bugzilla.redhat.com/show_bug.cgi?id=709088
Products affected by CVE-2011-1951
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cpe:2.3:a:oneidentity:syslog-ng:-
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cpe:2.3:a:oneidentity:syslog-ng:1.4.0
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cpe:2.3:a:oneidentity:syslog-ng:1.4.10
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cpe:2.3:a:oneidentity:syslog-ng:1.4.15
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cpe:2.3:a:oneidentity:syslog-ng:1.4.7
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cpe:2.3:a:oneidentity:syslog-ng:1.4.8
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cpe:2.3:a:oneidentity:syslog-ng:1.4.9
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cpe:2.3:a:oneidentity:syslog-ng:1.5.15
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cpe:2.3:a:oneidentity:syslog-ng:1.5.20
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cpe:2.3:a:oneidentity:syslog-ng:2.0
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cpe:2.3:a:oneidentity:syslog-ng:2.0.9
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cpe:2.3:a:oneidentity:syslog-ng:2.0.9-27.34.40.5.1
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cpe:2.3:a:oneidentity:syslog-ng:3.0
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cpe:2.3:a:oneidentity:syslog-ng:3.0.1
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cpe:2.3:a:oneidentity:syslog-ng:3.0.2
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cpe:2.3:a:oneidentity:syslog-ng:3.0.3
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cpe:2.3:a:oneidentity:syslog-ng:3.0.4
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cpe:2.3:a:oneidentity:syslog-ng:3.0.5
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cpe:2.3:a:oneidentity:syslog-ng:3.0.8
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cpe:2.3:a:oneidentity:syslog-ng:3.1
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cpe:2.3:a:oneidentity:syslog-ng:3.1.0
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cpe:2.3:a:oneidentity:syslog-ng:3.2
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cpe:2.3:a:oneidentity:syslog-ng:3.2.1
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cpe:2.3:a:oneidentity:syslog-ng:3.2.2
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cpe:2.3:a:pcre:pcre:8.12