Vulnerability in Rsyslog
CVE-2011-1488
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (38.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Rsyslog — versions before 5.7.6
- Debian Linux — versions 8.0, 9.0, 10.0
- openSUSE — versions 11.4
Weakness classification (CWE)
References
- security-tracker.debian.org/tracker/CVE-2011-1488 (Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Exploit, Patch, Third Party Advisory, Issue Tracking)
- access.redhat.com/security/cve/cve-2011-1488 (Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2011-04/msg00005.html (Mailing List, Third Party Advisory)
- github.com/rsyslog/rsyslog/commit/1ef709cc97d54f74d3fdeb83788cc4b01f4c6a2a
Frequently asked questions
- What is CVE-2011-1488?
- CVE-2011-1488 is a medium-severity vulnerability in Rsyslog, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 5.5/10. Published 2019-11-14.
- How severe is CVE-2011-1488?
- Medium severity. CVSS v3 base score is 5.5 out of 10.