DescriptionThe host_reliable_addrinfo function in support/export/hostname.c in nfs-utils before 1.2.4 does not properly use DNS to verify access to NFS exports, which allows remote attackers to mount filesystems by establishing crafted DNS A and PTR records.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
Debian Bugs633155

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
nfs-utils (PTS)buster1:1.3.4-2.5+deb10u1fixed
bookworm, sid1:2.6.2-4fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
nfs-utilssourcelenny(not affected)
nfs-utilssourcesqueeze(not affected)


[lenny] - nfs-utils <not-affected> (Introduced in 1.2.3)
[squeeze] - nfs-utils <not-affected> (Introduced in 1.2.3)

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