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CVE-2006-0539

4.6 · MEDIUM

The convert-fcrontab program in fcron 3.0.0 might allow local users to gain privileges via a long command-line argument, which causes Linux glibc to report heap memory corruption, possibly because…

Published Feb 4, 2006thibault_godouetEPSS 0.78%

Overview

CVE-2006-0539 is a medium-severity vulnerability affecting thibault_godouet fcron. It was published on February 4, 2006 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

The convert-fcrontab program in fcron 3.0.0 might allow local users to gain privileges via a long command-line argument, which causes Linux glibc to report heap memory corruption, possibly because a strcpy in the strdup2 function can "overwrite some data."

Remediation

Check the references section for vendor advisories and patches from thibault_godouet. Update fcron 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

Refarchives.neohapsis.com/archives/fulldisclosure/2006-01/0999.htmlReffcron.free.fr/doc/en/changes.htmlReffcron.free.fr/news.php#a20060206a.xmlRefsecunia.com/advisories/18719Refwww.securityfocus.com/archive/1/423697/100/0/threadedRefwww.securityfocus.com/bid/16467Refwww.trustix.org/errata/2006/0036Refwww.vupen.com/english/advisories/2006/0435Refbugs.trustix.org/show_bug.cgi?id=1754Refexchange.xforce.ibmcloud.com/vulnerabilities/24444

How CyberStrike helps

Frequently asked questions

What is CVE-2006-0539?

CVE-2006-0539 is a medium-severity vulnerability affecting thibault_godouet fcron. It was published on February 4, 2006 and has a CVSS 2.0 base score of 4.6 (MEDIUM).

How severe is CVE-2006-0539?

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-2006-0539?

Check the references section for vendor advisories and patches from thibault_godouet. Update fcron 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-2006-0539?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2006-0539 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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