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CVE-2005-3623

5.0 · MEDIUM

nfs2acl.c in the Linux kernel 2.6.14.4 does not check for MAY_SATTR privilege before setting access controls (ACL) on files on exported NFS filesystems, which allows remote attackers to bypass ACLs…

Published Dec 31, 2005linuxCWE-862EPSS 3.41%

Overview

CVE-2005-3623 is a medium-severity vulnerability affecting linux linux_kernel. It was published on December 31, 2005 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

nfs2acl.c in the Linux kernel 2.6.14.4 does not check for MAY_SATTR privilege before setting access controls (ACL) on files on exported NFS filesystems, which allows remote attackers to bypass ACLs for readonly mounted NFS filesystems.

Remediation

Check the references section for vendor advisories and patches from linux. Update linux_kernel 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

VendorProductVersionsStatus

References

Reflists.suse.de/archive/suse-security-announce/2006-Feb/0010.htmlReflkml.org/lkml/2005/12/23/171Refsecunia.com/advisories/18788Refsecunia.com/advisories/19038Refsecunia.com/advisories/21465Refsecunia.com/advisories/22417Refsupport.avaya.com/elmodocs2/security/ASA-2006-200.htmRefwww.novell.com/linux/security/advisories/2006_06_kernel.htmlRefwww.redhat.com/support/errata/RHSA-2006-0575.htmlRefwww.securityfocus.com/bid/16570

How CyberStrike helps

Frequently asked questions

What is CVE-2005-3623?

CVE-2005-3623 is a medium-severity vulnerability affecting linux linux_kernel. It was published on December 31, 2005 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2005-3623?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2005-3623?

Check the references section for vendor advisories and patches from linux. Update linux_kernel 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-2005-3623?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2005-3623 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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