Vulnerability CVE-2011-1749
Published: 2014-02-26

Description:
The nfs_addmntent function in support/nfs/nfs_mntent.c in the mount.nsf tool in nfs-utils before 1.2.4 attempts to append to the /etc/mtab file without first checking whether resource limits would interfere, which allows local users to corrupt this file via a process with a small RLIMIT_FSIZE value, a related issue to CVE-2011-1089.

Type:

CWE-20

 (Improper Input Validation)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
3.3/10
4.9/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
Partial
Affected software
Linux-nfs -> Nfs-utils 

 References:
http://sourceforge.net/projects/nfs/files/nfs-utils/1.2.4/Changelog-nfs-utils-1.2.4/download
http://rhn.redhat.com/errata/RHSA-2012-0310.html
https://bugzilla.redhat.com/show_bug.cgi?id=697975
http://www.openwall.com/lists/oss-security/2011/04/25/5
http://rhn.redhat.com/errata/RHSA-2011-1534.html
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