CVE-2013-5710: Low severity freebsd kernel vulnerability

Published Sep 23, 2013
·
Updated

The nullfs implementation in sys/fs/nullfs/nullvnops.c in the kernel in FreeBSD 8.3 through 9.2 allows local users with certain permissions to bypass access restrictions via a hardlink in a nullfs instance to a file in a different instance.

Affected Software

6 affected components
FreeBSD FreeBSD=8.0
FreeBSD FreeBSD=8.3
FreeBSD FreeBSD=8.4
FreeBSD FreeBSD=9.0
FreeBSD FreeBSD=9.1
FreeBSD FreeBSD=9.2

Event History

Sep 23, 2013
CVE Published
via MITRE·08:00 PM
Data Sourced
via MITRE·08:00 PM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2013-5710?

CVE-2013-5710 has been classified as a medium severity vulnerability indicating a moderate risk to affected systems.

2

How do I fix CVE-2013-5710?

To fix CVE-2013-5710, it is recommended to upgrade FreeBSD to a version that has patched this vulnerability, specifically versions 9.3 or later.

3

Who is affected by CVE-2013-5710?

Local users with certain permissions on FreeBSD versions 8.3 through 9.2 are affected by CVE-2013-5710.

4

What systems are impacted by CVE-2013-5710?

CVE-2013-5710 affects FreeBSD versions 8.3, 8.4, and 9.0 to 9.2.

5

What does CVE-2013-5710 exploit?

CVE-2013-5710 exploits the nullfs implementation to bypass access restrictions through a hard link.

Contact

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