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CVE-2014-2913

7.5 · HIGH

Incomplete blacklist vulnerability in nrpe.c in Nagios Remote Plugin Executor (NRPE) 2.15 and earlier allows remote attackers to execute arbitrary commands via a newline character in the -a option…

Published May 7, 2014nagiosEPSS 15.31%

Overview

CVE-2014-2913 is a high-severity vulnerability affecting nagios remote_plugin_executor. It was published on May 7, 2014 and has a CVSS 2.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Incomplete blacklist vulnerability in nrpe.c in Nagios Remote Plugin Executor (NRPE) 2.15 and earlier allows remote attackers to execute arbitrary commands via a newline character in the -a option to libexec/check_nrpe. NOTE: this issue is disputed by multiple parties. It has been reported that the vendor allows newlines as "expected behavior." Also, this issue can only occur when the administrator enables the "dont_blame_nrpe" option in nrpe.conf despite the "HIGH security risk" warning within the comments

Remediation

Check the references section for vendor advisories and patches from nagios. Update remote_plugin_executor to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
nagiosremote_plugin_executor0Affected

References

Reflists.fedoraproject.org/pipermail/package-announce/2015-September/166528.htmlReflists.opensuse.org/opensuse-security-announce/2014-05/msg00011.htmlReflists.opensuse.org/opensuse-updates/2014-05/msg00005.htmlReflists.opensuse.org/opensuse-updates/2014-05/msg00014.htmlRefseclists.org/fulldisclosure/2014/Apr/240Refseclists.org/fulldisclosure/2014/Apr/242Refseclists.org/oss-sec/2014/q2/154Refseclists.org/oss-sec/2014/q2/155Refwww.securityfocus.com/bid/66969Reflists.fedoraproject.org/pipermail/package-announce/2015-September/166528.html

How CyberStrike helps

Frequently asked questions

What is CVE-2014-2913?

CVE-2014-2913 is a high-severity vulnerability affecting nagios remote_plugin_executor. It was published on May 7, 2014 and has a CVSS 2.0 base score of 7.5 (HIGH).

How severe is CVE-2014-2913?

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2014-2913?

Check the references section for vendor advisories and patches from nagios. Update remote_plugin_executor to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2014-2913?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2014-2913 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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