Vulnerability Details : CVE-2011-1749
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.
Vulnerability category: Input validation
Exploit prediction scoring system (EPSS) score for CVE-2011-1749
Probability of exploitation activity in the next 30 days: 0.04%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 6 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2011-1749
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
3.3
|
LOW | AV:L/AC:M/Au:N/C:N/I:P/A:P |
3.4
|
4.9
|
NIST |
CWE ids for CVE-2011-1749
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The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-1749
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http://sourceforge.net/projects/nfs/files/nfs-utils/1.2.4/Changelog-nfs-utils-1.2.4/download
Download NFS from SourceForge.netPatch
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http://rhn.redhat.com/errata/RHSA-2012-0310.html
RHSA-2012:0310 - Security Advisory - Red Hat Customer PortalPatch
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http://www.openwall.com/lists/oss-security/2011/04/25/5
oss-security - Re: CVE request: CVE-2011-1089-like flaw in mount.nfs
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http://rhn.redhat.com/errata/RHSA-2011-1534.html
RHSA-2011:1534 - Security Advisory - Red Hat Customer Portal
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https://bugzilla.redhat.com/show_bug.cgi?id=697975
697975 – (CVE-2011-1749) CVE-2011-1749 nfs-utils: mount.nfs fails to anticipate RLIMIT_FSIZE
Products affected by CVE-2011-1749
- cpe:2.3:a:linux-nfs:nfs-utils:*:*:*:*:*:*:*:*
- cpe:2.3:a:linux-nfs:nfs-utils:1.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:linux-nfs:nfs-utils:1.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:linux-nfs:nfs-utils:1.2.2:*:*:*:*:*:*:*