CVE-2013-4851

NameCVE-2013-4851
DescriptionThe 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-2743-1
Debian Bugs717958, 717959

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
kfreebsd-8sourcesqueeze(not affected)
kfreebsd-8sourcewheezy8.3-6+deb7u1
kfreebsd-8source(unstable)8.3-7717959
kfreebsd-9sourcewheezy9.0-10+deb70.3DSA-2743-1
kfreebsd-9source(unstable)9.1-4717958

Notes

[squeeze] - kfreebsd-8 <not-affected> (FreeBSD NFS server implementation was not supported in squeeze)

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