Vulnerability CVE-2011-2500
Published: 2014-02-15

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.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
nfs-utils 1.2.3 remote mount filesystems
Jeff Layton
15.02.2014

Type:

CWE-264

 (Permissions, Privileges, and Access Controls)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Linux-nfs -> Nfs-utils 

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