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CVE-2011-2147

3.6 · LOW

Openswan 2.2.x does not properly restrict permissions for (1) /var/run/starter.pid, related to starter.c in the IPsec starter, and (2) /var/lock/subsys/ipsec, which allows local users to kill arbit…

Published May 20, 2011openswanCWE-264EPSS 0.34%

Overview

CVE-2011-2147 is a low-severity vulnerability affecting openswan openswan. It was published on May 20, 2011 and has a CVSS 2.0 base score of 3.6 (LOW).

This vulnerability has a CVSS 2.0 base score of 3.6, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

Openswan 2.2.x does not properly restrict permissions for (1) /var/run/starter.pid, related to starter.c in the IPsec starter, and (2) /var/lock/subsys/ipsec, which allows local users to kill arbitrary processes by writing a PID to a file, or possibly bypass disk quotas by writing arbitrary data to a file, as demonstrated by files with 0666 permissions, a different vulnerability than CVE-2011-1784.

Remediation

Check the references section for vendor advisories and patches from openswan. Update openswan 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

Frequently asked questions

What is CVE-2011-2147?

CVE-2011-2147 is a low-severity vulnerability affecting openswan openswan. It was published on May 20, 2011 and has a CVSS 2.0 base score of 3.6 (LOW).

How severe is CVE-2011-2147?

This vulnerability has a CVSS 2.0 base score of 3.6, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-2147?

Check the references section for vendor advisories and patches from openswan. Update openswan 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-2011-2147?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-2147 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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