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CVE-2011-1749

3.3 · LOW

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…

Published Feb 26, 2014linux-nfsCWE-20EPSS 0.35%

Overview

CVE-2011-1749 is a low-severity vulnerability affecting linux-nfs nfs-utils. It was published on February 26, 2014 and has a CVSS 2.0 base score of 3.3 (LOW).

This vulnerability has a CVSS 2.0 base score of 3.3, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from linux-nfs. Update nfs-utils to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
linux-nfsnfs-utils0Affected

References

Refrhn.redhat.com/errata/RHSA-2011-1534.htmlRefrhn.redhat.com/errata/RHSA-2012-0310.htmlRefsourceforge.net/projects/nfs/files/nfs-utils/1.2.4/Changelog-nfs-utils-1.2.4/downloadRefwww.openwall.com/lists/oss-security/2011/04/25/5Refbugzilla.redhat.com/show_bug.cgi?id=697975Refrhn.redhat.com/errata/RHSA-2011-1534.htmlRefrhn.redhat.com/errata/RHSA-2012-0310.htmlRefsourceforge.net/projects/nfs/files/nfs-utils/1.2.4/Changelog-nfs-utils-1.2.4/downloadRefwww.openwall.com/lists/oss-security/2011/04/25/5Refbugzilla.redhat.com/show_bug.cgi?id=697975

How CyberStrike helps

Frequently asked questions

What is CVE-2011-1749?

CVE-2011-1749 is a low-severity vulnerability affecting linux-nfs nfs-utils. It was published on February 26, 2014 and has a CVSS 2.0 base score of 3.3 (LOW).

How severe is CVE-2011-1749?

This vulnerability has a CVSS 2.0 base score of 3.3, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-1749?

Check the references section for vendor advisories and patches from linux-nfs. Update nfs-utils to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2011-1749?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-1749 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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