CVE-2011-1951
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
9 High
AI Score
Confidence
High
0.013 Low
EPSS
Percentile
85.7%
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.
Affected configurations
| CPE | Name | Operator | Version |
|---|---|---|---|
| oneidentity:syslog-ng | oneidentity syslog-ng | lt | 3.2.4 |
References
git.balabit.hu/?p=bazsi/syslog-ng-3.2.git%3Ba=commit%3Bh=09710c0b105e579d35c7b5f6c66d1ea5e3a3d3ff
lists.fedoraproject.org/pipermail/package-announce/2011-June/062107.html
secunia.com/advisories/45122
www.openwall.com/lists/oss-security/2011/05/26/1
www.securityfocus.com/bid/47800
bugzilla.redhat.com/show_bug.cgi?id=709088
Related
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
9 High
AI Score
Confidence
High
0.013 Low
EPSS
Percentile
85.7%