CVE-2011-2500 Information

Description

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.

Reference

http://marc.info/?l=linux-nfs&m=130875695821953&w=2 http://rhn.redhat.com/errata/RHSA-2011-1534.html http://sourceforge.net/projects/nfs/files/nfs-utils/1.2.4/ http://sourceforge.net/projects/nfs/files/nfs-utils/1.2.4/Changelog-nfs-utils-1.2.4/download https://bugzilla.redhat.com/show_bug.cgi?id=716949