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CVE-2014-0998

7.2 · HIGH

Integer signedness error in the vt console driver (formerly Newcons) in FreeBSD 9.3 before p10 and 10.1 before p6 allows local users to cause a denial of service (crash) and possibly gain privilege…

Published Feb 2, 2015freebsdCWE-189EPSS 0.92%

Overview

CVE-2014-0998 is a high-severity vulnerability affecting freebsd freebsd. It was published on February 2, 2015 and has a CVSS 2.0 base score of 7.2 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.2, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

Integer signedness error in the vt console driver (formerly Newcons) in FreeBSD 9.3 before p10 and 10.1 before p6 allows local users to cause a denial of service (crash) and possibly gain privileges via a negative value in a VT_WAITACTIVE ioctl call, which triggers an array index error and out-of-bounds kernel memory access.

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

Refseclists.org/fulldisclosure/2015/Jan/107Refwww.coresecurity.com/advisories/freebsd-kernel-multiple-vulnerabilitiesRefwww.securityfocus.com/archive/1/534563/100/0/threadedRefwww.freebsd.org/security/advisories/FreeBSD-EN-15:01.vt.ascRefseclists.org/fulldisclosure/2015/Jan/107Refwww.coresecurity.com/advisories/freebsd-kernel-multiple-vulnerabilitiesRefwww.securityfocus.com/archive/1/534563/100/0/threadedRefwww.freebsd.org/security/advisories/FreeBSD-EN-15:01.vt.asc

How CyberStrike helps

Frequently asked questions

What is CVE-2014-0998?

CVE-2014-0998 is a high-severity vulnerability affecting freebsd freebsd. It was published on February 2, 2015 and has a CVSS 2.0 base score of 7.2 (HIGH).

How severe is CVE-2014-0998?

This vulnerability has a CVSS 2.0 base score of 7.2, rated HIGH. 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-2014-0998?

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-2014-0998?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2014-0998 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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