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CVE-2014-3873

2.1 · LOW

The ktrace utility in the FreeBSD kernel 8.4 before p11, 9.1 before p14, 9.2 before p7, and 9.3-BETA1 before p1 uses an incorrect page fault kernel trace entry size, which allows local users to obt…

Published Jun 10, 2014freebsdCWE-20EPSS 0.38%

Overview

CVE-2014-3873 is a low-severity vulnerability affecting freebsd freebsd. It was published on June 10, 2014 and has a CVSS 2.0 base score of 2.1 (LOW).

This vulnerability has a CVSS 2.0 base score of 2.1, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

The ktrace utility in the FreeBSD kernel 8.4 before p11, 9.1 before p14, 9.2 before p7, and 9.3-BETA1 before p1 uses an incorrect page fault kernel trace entry size, which allows local users to obtain sensitive information from kernel memory via a kernel process trace.

Remediation

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

References

Refsecunia.com/advisories/58627Refwww.freebsd.org/security/advisories/FreeBSD-SA-14%3A12.ktrace.ascRefwww.securityfocus.com/bid/67812Refwww.securitytracker.com/id/1030325Refsecunia.com/advisories/58627Refwww.freebsd.org/security/advisories/FreeBSD-SA-14%3A12.ktrace.ascRefwww.securityfocus.com/bid/67812Refwww.securitytracker.com/id/1030325

How CyberStrike helps

Frequently asked questions

What is CVE-2014-3873?

CVE-2014-3873 is a low-severity vulnerability affecting freebsd freebsd. It was published on June 10, 2014 and has a CVSS 2.0 base score of 2.1 (LOW).

How severe is CVE-2014-3873?

This vulnerability has a CVSS 2.0 base score of 2.1, 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-2014-3873?

Check the references section for vendor advisories and patches from freebsd. Update freebsd 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-2014-3873?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2014-3873 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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