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CVE-2011-4623

Published: Sep 25, 2012Updated: Apr 29, 2026 Sources: CVE List NVD BDUCWE-189
NVD MITRE
2.1CVSSLOW
EPSS Score
0.4%
Top 66.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Integer overflow in the rsCStrExtendBuf function in runtime/stringbuf.c in the imfile module in rsyslog 4.x before 4.6.6, 5.x before 5.7.4, and 6.x before 6.1.4 allows local users to cause a denial of service (daemon hang) via a large file, which triggers a heap-based buffer overflow.

CVSS Vector Breakdown

AV:LAC:LAu:NC:NI:NA:P
Exploitability
AV:LAccess Vector
Local
AC:LAccess Complexity
Low
Au:NAuthentication
None
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:PAvailability
Partial
Open in CVSS calculator →

Weaknesses

CWE-189

Affected Products

rsyslogrsyslog
On-prem
Enterprise Software / itsm-monitoring
Gentoo LinuxGentoo Foundation Inc.
On-premOS
Operating Systems / linux-distro
n/an/a
rsyslogoss-projectEnterprise Softwareaka librelp, rsyslogd
gentoo foundation inc.oss-projectUSOperating Systems

Exploitability

Official Patch Available

References

http://bugzilla.adiscon.com/show_bug.cgi?id=221
bugzilla.adiscon.com
http://git.adiscon.com/?p=rsyslog.git%3Ba=commit%3Bh=6bad782f154b7f838c7371bf99c13f6dc4ec4101
git.adiscon.com
http://rsyslog.com/changelog-for-4-6-6-v4-stable/
rsyslog.com
and 10 more references View all →

Timeline

Published
Sep 25, 2012
Last Updated
Apr 29, 2026

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