CVE-2011-1488 Denial of service in rsyslog
A local attacker can crash the rsyslog daemon by sending repeated log messages when message reduction is enabled, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2011-1488?
CVE-2011-1488 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 14 Nov 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A memory leak in rsyslog before 5.7.6 was found in the way deamon processed log messages are logged when $RepeatedMsgReduction was enabled. A local attacker could use this flaw to cause a denial of the rsyslogd daemon service by crashing the service via a sequence of repeated log messages sent within short periods of time.
Weakness: CWE-772
Which versions are affected by CVE-2011-1488?
It affects 3 products.
Products include Debian Debian Linux, Opensuse Opensuse, Rsyslog Rsyslog.
How do I fix CVE-2011-1488?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2011-1488 being exploited?
There is no known exploitation of CVE-2011-1488 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2011-1488, GHSA-3php-pxg5-vr69.