CVE-2013-4758: Double Free

Published Oct 4, 2013
·
Updated

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

42 affected components
rsyslog Rsyslog<=7.4.1
rsyslog Rsyslog<=7.5.1
rsyslog Rsyslog=6.4.2
rsyslog Rsyslog=6.5.1
rsyslog Rsyslog=6.6.0
rsyslog Rsyslog=7.1.0
rsyslog Rsyslog=7.1.1
rsyslog Rsyslog=7.1.2
rsyslog Rsyslog=7.1.3
rsyslog Rsyslog=7.1.4
rsyslog Rsyslog=7.1.5
rsyslog Rsyslog=7.1.6
rsyslog Rsyslog=7.1.7
rsyslog Rsyslog=7.1.8
rsyslog Rsyslog=7.1.9
rsyslog Rsyslog=7.1.10
rsyslog Rsyslog=7.1.11
rsyslog Rsyslog=7.1.12
rsyslog Rsyslog=7.2.1
rsyslog Rsyslog=7.2.2
rsyslog Rsyslog=7.2.3
rsyslog Rsyslog=7.2.4
rsyslog Rsyslog=7.2.5
rsyslog Rsyslog=7.2.6
rsyslog Rsyslog=7.2.7
rsyslog Rsyslog=7.3.0
rsyslog Rsyslog=7.3.1
rsyslog Rsyslog=7.3.3
rsyslog Rsyslog=7.3.4
rsyslog Rsyslog=7.3.5
rsyslog Rsyslog=7.3.6
rsyslog Rsyslog=7.3.7
rsyslog Rsyslog=7.3.8
rsyslog Rsyslog=7.3.9
rsyslog Rsyslog=7.3.10
rsyslog Rsyslog=7.3.11
rsyslog Rsyslog=7.3.12
rsyslog Rsyslog=7.3.13
rsyslog Rsyslog=7.3.14
rsyslog Rsyslog=7.3.15
rsyslog Rsyslog=7.4.0
rsyslog Rsyslog=7.5.0-devel

Event History

Oct 4, 2013
CVE Published
via MITRE·05:00 PM
Data Sourced
via MITRE·05:00 PM
Description

Frequently Asked Questions

1

What is the severity of CVE-2013-4758?

CVE-2013-4758 is classified as a critical vulnerability due to its potential to cause denial of service and possibly allow remote code execution.

2

How do I fix CVE-2013-4758?

To mitigate CVE-2013-4758, upgrade to rsyslog version 7.4.2 or later for stable releases, or 7.5.2 or later for development releases.

3

What is the impact of CVE-2013-4758?

The impact of CVE-2013-4758 includes crashing the application and potentially executing arbitrary code if exploited.

4

Which versions of rsyslog are affected by CVE-2013-4758?

CVE-2013-4758 affects rsyslog versions prior to 7.4.2 and prior to 7.5.2 in development.

5

Can CVE-2013-4758 be exploited remotely?

Yes, CVE-2013-4758 can be exploited remotely, allowing attackers to cause a denial of service.

Contact

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