CVE-2011-2500
7.5 · HIGHThe 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 filesyst…
Overview
CVE-2011-2500 is a high-severity vulnerability affecting linux-nfs nfs-utils. It was published on February 15, 2014 and has a CVSS 2.0 base score of 7.5 (HIGH).
This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from linux-nfs. Update nfs-utils to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| linux-nfs | nfs-utils | 0 | Affected |
References
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Frequently asked questions
What is CVE-2011-2500?
CVE-2011-2500 is a high-severity vulnerability affecting linux-nfs nfs-utils. It was published on February 15, 2014 and has a CVSS 2.0 base score of 7.5 (HIGH).
How severe is CVE-2011-2500?
This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2011-2500?
Check the references section for vendor advisories and patches from linux-nfs. Update nfs-utils to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2011-2500?
CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-2500 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.
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