VIR Vulnerability Intelligence Relay

CVE-2013-4758

medium
Published 2013-10-04 · Modified 2026-04-29
CVSS v3
—
CVSS v2
6.8
VIR risk
6.8

Description

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.

Predictions

Exploit likelihood
20%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2013-4758

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — http://www.rsyslog.com/rsyslog-7-5-2-v7-devel-released/

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — http://www.rsyslog.com/rsyslog-7-4-2-v7-stable-released/

OS impact
OSVersionStatusFixed in
debian debianbookwormfixed0
debian debianbullseyefixed0
debian debianforkyfixed0
debian debiansidfixed0
debian debiantrixiefixed0

Application impact
VendorProductVersionsFixed
rsyslogrsyslog{"endIncluding":"7.4.1"}
rsyslogrsyslog6.4.2
rsyslogrsyslog6.5.1
rsyslogrsyslog6.6.0
rsyslogrsyslog7.1.0
rsyslogrsyslog7.1.1
rsyslogrsyslog7.1.2
rsyslogrsyslog7.1.3
rsyslogrsyslog7.1.4
rsyslogrsyslog7.1.5
rsyslogrsyslog7.1.6
rsyslogrsyslog7.1.7
rsyslogrsyslog7.1.8
rsyslogrsyslog7.1.9
rsyslogrsyslog7.1.10
rsyslogrsyslog7.1.11
rsyslogrsyslog7.1.12
rsyslogrsyslog7.2.1
rsyslogrsyslog7.2.2
rsyslogrsyslog7.2.3
rsyslogrsyslog7.2.4
rsyslogrsyslog7.2.5
rsyslogrsyslog7.2.6
rsyslogrsyslog7.2.7
rsyslogrsyslog7.3.0
rsyslogrsyslog7.3.1
rsyslogrsyslog7.3.3
rsyslogrsyslog7.3.4
rsyslogrsyslog7.3.5
rsyslogrsyslog7.3.6
rsyslogrsyslog7.3.7
rsyslogrsyslog7.3.8
rsyslogrsyslog7.3.9
rsyslogrsyslog7.3.10
rsyslogrsyslog7.3.11
rsyslogrsyslog7.3.12
rsyslogrsyslog7.3.13
rsyslogrsyslog7.3.14
rsyslogrsyslog7.3.15
rsyslogrsyslog7.4.0
rsyslogrsyslog7.5.0

References

CWEs

CWE-399

Verify integrity in audit chain (admin only). AS-IS.