Improper DNS Verification in NFS-Utils Allows Remote Filesystem Mounting

CVE-2011-2500 · HIGH Severity

AV:N/AC:L/AU:N/C:P/I:P/A:P

The 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.

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