CVE-2011-3200

Description

Stack-based buffer overflow in the parseLegacySyslogMsg function in tools/syslogd.c in rsyslogd in rsyslog 4.6.x before 4.6.8 and 5.2.0 through 5.8.4 might allow remote attackers to cause a denial of service (application exit) via a long TAG in a legacy syslog message.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 62.01% Top 5%
Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory mandriva.com Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory rsyslog.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://secunia.com/advisories/46027 third party advisory
https://bugzilla.redhat.com/show_bug.cgi?id=727644 patch
http://www.rsyslog.com/potential-dos-with-malformed-tag/ patch vendor advisory
http://securitytracker.com/id?1026000 vdb entry
http://lists.opensuse.org/opensuse-updates/2011-09/msg00013.html vendor advisory
http://git.adiscon.com/?p=rsyslog.git%3Ba=commit%3Bh=1ca6cc236d1dabf1633238b873fb1c057e52f95e
http://www.redhat.com/support/errata/RHSA-2011-1247.html vendor advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2011:134 vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065941.html vendor advisory
http://www.securityfocus.com/bid/49413 vdb entry
http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065837.html vendor advisory
http://secunia.com/advisories/45922 third party advisory

Frequently Asked Questions

What is the severity of CVE-2011-3200?
CVE-2011-3200 has been scored as a medium severity vulnerability.
How to fix CVE-2011-3200?
To fix CVE-2011-3200, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-3200 being actively exploited in the wild?
It is possible that CVE-2011-3200 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~62% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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