CVE-2011-1831
4.6 · MEDIUMutils/mount.ecryptfs_private.c in ecryptfs-utils before 90 does not properly check mountpoint permissions, which allows local users to effectively replace any directory with a new filesystem, and c…
Overview
CVE-2011-1831 is a medium-severity vulnerability affecting ecryptfs ecryptfs-utils. It was published on February 15, 2014 and has a CVSS 2.0 base score of 4.6 (MEDIUM).
This vulnerability has a CVSS 2.0 base score of 4.6, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical description
utils/mount.ecryptfs_private.c in ecryptfs-utils before 90 does not properly check mountpoint permissions, which allows local users to effectively replace any directory with a new filesystem, and consequently gain privileges, via a mount system call.
Remediation
Check the references section for vendor advisories and patches from ecryptfs. Update ecryptfs-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 |
|---|---|---|---|
| ecryptfs | ecryptfs-utils | 0 | Affected |
References
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Frequently asked questions
What is CVE-2011-1831?
CVE-2011-1831 is a medium-severity vulnerability affecting ecryptfs ecryptfs-utils. It was published on February 15, 2014 and has a CVSS 2.0 base score of 4.6 (MEDIUM).
How severe is CVE-2011-1831?
This vulnerability has a CVSS 2.0 base score of 4.6, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2011-1831?
Check the references section for vendor advisories and patches from ecryptfs. Update ecryptfs-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-2011-1831?
CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-1831 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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