Improper Input Validation Affecting nfs-utils package, versions <1:1.2.3-15.el6


Severity

Recommended
0.0
low
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.35% (28th percentile)

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  • Snyk IDSNYK-CENTOS6-NFSUTILS-2052207
  • published26 Jul 2021
  • disclosed19 Apr 2011

Introduced: 19 Apr 2011

CVE-2011-1749  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Centos:6 nfs-utils to version 1:1.2.3-15.el6 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nfs-utils package and not the nfs-utils package as distributed by Centos. See How to fix? for Centos:6 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1