CVE-2011-1951

Publication date 11 July 2011

Last updated 24 July 2024

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.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
syslog-ng	13.10 saucy	Not affected
	13.04 raring	Not affected
	12.10 quantal	Not affected
	12.04 LTS precise	Not affected
	11.10 oneiric	Not affected
	11.04 natty	Ignored end of life
	10.10 maverick	Ignored end of life
	10.04 LTS lucid	Ignored end of life
	8.04 LTS hardy	Ignored end of life

Notes

sbeattie

may not affect releases where libpcre3 is < 8.12

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
syslog-ng	Upstream: http://git.balabit.hu/?p=bazsi/syslog-ng-3.2.git;a=commitdiff;h=09710c0b105e579d35c7b5f6c66d1ea5e3a3d3ff;hp=21a455ecdf808cbd0c57428d1bd3f9feec58419e Upstream: http://git.balabit.hu/?p=bazsi/syslog-ng-3.1.git;a=commitdiff;h=35de55e53dd653c50c8da5daf41a99ab22e7e8aa

References

Other references

https://www.cve.org/CVERecord?id=CVE-2011-1951