CVE-2011-1679

Name: CVE-2011-1679
Creator: NVD / NIST
Published: 2011-04-10T02:55:02.367+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.37%

Last modified Jun 16, 2026

CVE-2011-1679 is a vulnerability of currently unknown severity. ncpfs 2.2.6 and earlier attempts to use (1) ncpmount to append to the /etc/mtab file and (2) ncpumount to append to the /etc/mtab.tmp file without first checking whether resource limits would interfere, which allows local users to trigger corruption of the /etc/mtab file via a process with a small RLIMIT_FSIZE value, a related issue to CVE-2011-1089.. EPSS estimates a 0.37% chance of exploitation in the next 30 days.

Description

ncpfs 2.2.6 and earlier attempts to use (1) ncpmount to append to the /etc/mtab file and (2) ncpumount to append to the /etc/mtab.tmp file without first checking whether resource limits would interfere, which allows local users to trigger corruption of the /etc/mtab file via a process with a small RLIMIT_FSIZE value, a related issue to CVE-2011-1089.

Metrics

EPSS Probability

0.37%

29.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Ncpfs	Ncpfs	<= 2.2.6
Ncpfs	Ncpfs	2.2.1
Ncpfs	Ncpfs	2.2.2
Ncpfs	Ncpfs	2.2.3
Ncpfs	Ncpfs	2.2.4
Ncpfs	Ncpfs	2.2.5

References

http://openwall.com/lists/oss-security/2011/03/04/10Mailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2011/03/04/11Mailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2011/03/04/12Mailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2011/03/04/9Mailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2011/03/05/3Mailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2011/03/05/7Mailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2011/03/07/9Mailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2011/03/14/16Mailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2011/03/14/5Mailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2011/03/14/7Mailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2011/03/15/6Mailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2011/03/22/4Mailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2011/03/22/6Mailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2011/03/31/3Mailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2011/03/31/4Mailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2011/04/01/2Mailing List, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=688980Issue Tracking
https://exchange.xforce.ibmcloud.com/vulnerabilities/66701
http://openwall.com/lists/oss-security/2011/03/04/10Mailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2011/03/04/11Mailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2011/03/04/12Mailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2011/03/04/9Mailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2011/03/05/3Mailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2011/03/05/7Mailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2011/03/07/9Mailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2011/03/14/16Mailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2011/03/14/5Mailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2011/03/14/7Mailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2011/03/15/6Mailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2011/03/22/4Mailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2011/03/22/6Mailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2011/03/31/3Mailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2011/03/31/4Mailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2011/04/01/2Mailing List, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=688980Issue Tracking
https://exchange.xforce.ibmcloud.com/vulnerabilities/66701

Timeline

Published: Apr 10, 2011
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-1679?

How severe is CVE-2011-1679?

Severity scoring for CVE-2011-1679 is pending analysis. The EPSS model estimates a 0.37% probability of exploitation in the next 30 days.

How do I fix CVE-2011-1679?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-1679?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST