{"id":"UBUNTU-CVE-2011-2500","details":"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crafted DNS A and PTR records.","modified":"2025-07-16T07:47:10.537100Z","published":"2014-02-15T14:57:00Z","withdrawn":"2025-07-18T16:42:43Z","upstream":["CVE-2011-2500"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2011-2500"},{"type":"REPORT","url":"http://marc.info/?l=linux-nfs&m=130875695821953&w=2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2011-2500"}],"affected":[{"package":{"name":"nfs-utils","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/nfs-utils@1:1.2.8-6ubuntu1?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.2.8-6ubuntu1"}]}],"versions":["1:1.2.8-2ubuntu2","1:1.2.8-4ubuntu1","1:1.2.8-5ubuntu1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"nfs-common","binary_version":"1:1.2.8-6ubuntu1"},{"binary_name":"nfs-kernel-server","binary_version":"1:1.2.8-6ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2011/UBUNTU-CVE-2011-2500.json"}}],"schema_version":"1.7.3","severity":[{"type":"Ubuntu","score":"low"}]}