Resource management error in rsyslog - CVE-2013-4758

 

Resource management error in rsyslog - CVE-2013-4758

Published: October 4, 2013 / Updated: August 10, 2020


Vulnerability identifier: #VU42487
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-4758
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

Double free vulnerability in the writeDataError function in the ElasticSearch plugin (omelasticsearch) in rsyslog before 7.4.2 and before 7.5.2 devel, when errorfile is set to local logging, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted JSON response.


Affected software

rsyslog

How to mitigate CVE-2013-4758

Install update from vendor's website.


External References

Related Security Bulletins