Vulnerability 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.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux-Nfs | Nfs-Utils | <= 1.2.3 |
Related Weaknesses (CWE)
References
- http://rhn.redhat.com/errata/RHSA-2011-1534.html
- http://rhn.redhat.com/errata/RHSA-2012-0310.htmlPatch
- http://sourceforge.net/projects/nfs/files/nfs-utils/1.2.4/Changelog-nfs-utils-1.Patch
- 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.htmlPatch
- http://sourceforge.net/projects/nfs/files/nfs-utils/1.2.4/Changelog-nfs-utils-1.Patch
- http://www.openwall.com/lists/oss-security/2011/04/25/5
- https://bugzilla.redhat.com/show_bug.cgi?id=697975
FAQ
What is CVE-2011-1749?
CVE-2011-1749 is a vulnerability with a CVSS score of 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 int...
How severe is CVE-2011-1749?
CVE-2011-1749 has been rated LOW with a CVSS base score of 3.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-1749?
Check the references section above for vendor advisories and patch information. Affected products include: Linux-Nfs Nfs-Utils.