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Unrated severityNVD Advisory· Published Jul 29, 2013· Updated Jun 16, 2026

CVE-2013-4851

CVE-2013-4851

Description

The vfs_hang_addrlist function in sys/kern/vfs_export.c in the NFS server implementation in the kernel in FreeBSD 8.3 and 9.x through 9.1-RELEASE-p5 controls authorization for host/subnet export entries on the basis of group information sent by the client, which allows remote attackers to bypass file permissions on NFS filesystems via crafted requests.

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Affected products

6
  • FreeBSD/FreeBSD6 versions
    cpe:2.3:o:freebsd:freebsd:8.3:*:*:*:*:*:*:*+ 5 more
    • cpe:2.3:o:freebsd:freebsd:8.3:*:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:9.0:*:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:9.1:*:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:9.1:p4:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:9.1:p5:*:*:*:*:*:*
    • (no CPE)range: 8.3, 9.0-9.1-RELEASE-p5

Patches

Vulnerability mechanics

References

3

News mentions

0

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