CVE-2011-1749

Severity: low (CVSS 3.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-02-26 · updated 2026-06-16
Weakness: CWE-20

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.

Affected products

Linux-Nfs Nfs-Utils: through 1.2.3; 1.2.0, 1.2.1, 1.2.2

References

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

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