CVE-2011-2500

Description

The host_reliable_addrinfo function in support/export/hostname.c in nfs-utils before 1.2.4 does not properly use DNS to verify access to NFS exports, which allows remote attackers to mount filesystems by establishing crafted DNS A and PTR records.

Category

7.5
CVSS
Severity: High
CVSS 2.0 •
EPSS 0.62%
Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=716949
http://sourceforge.net/projects/nfs/files/nfs-utils/1.2.4/Changelog-nfs-utils-1.2.4/download
http://marc.info/?l=linux-nfs&m=130875695821953&w=2 mailing list
http://rhn.redhat.com/errata/RHSA-2011-1534.html vendor advisory
http://sourceforge.net/projects/nfs/files/nfs-utils/1.2.4/

Frequently Asked Questions

What is the severity of CVE-2011-2500?
CVE-2011-2500 has been scored as a high severity vulnerability.
How to fix CVE-2011-2500?
To fix CVE-2011-2500, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-2500 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2011-2500 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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