Home/CVE/The nullfs implementation in sys/fs/nullfs/null_vnops.c in the kernel in FreeBSD 8.3 through 9.2 allows local users with
CVE

CVE-2013-5710

The nullfs implementation in sys/fs/nullfs/null_vnops.c in the kernel in FreeBSD 8.3 through 9.2 allows local users with

The nullfs implementation in sys/fs/nullfs/null_vnops.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.

LOW · CVSS 3.7 EPSS 0.00052
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
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Affected Products & Versions

1
freebsdall versions
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Scoring & Timeline

3.7
LOW · CVSS v2 (legacy) · cve@mitre.org
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This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:L/AC:H/Au:N/C:P/I:P/A:P
Published to NVD23 Sep 2013 · 08:55 PM
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References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://secunia.com/advisories/54861
http://svnweb.freebsd.org/base?view=revision&revision=255442
http://www.debian.org/security/2013/dsa-2769
http://www.freebsd.org/security/advisories/FreeBSD-SA-13:13.nullfs.ascVendor Advisory
http://www.securitytracker.com/id/1029015
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