CVE-2011-2500

UnknownEPSS 2.54%

Last modified

CVE-2011-2500 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.54% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
2.54%

83.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Linux-NfsNfs-Utils<= 1.2.3
Linux-NfsNfs-Utils1.2.0
Linux-NfsNfs-Utils1.2.1
Linux-NfsNfs-Utils1.2.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-2500?
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.
How severe is CVE-2011-2500?
Severity scoring for CVE-2011-2500 is pending analysis. The EPSS model estimates a 2.54% probability of exploitation in the next 30 days.
How do I fix CVE-2011-2500?
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-2011-2500?

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

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Source: NVD / NIST