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CVE-2006-4403

4.0 · MEDIUM

The FTP server in Apple Mac OS X 10.4.8 and earlier, when FTP Access is enabled, will crash when a login failure occurs with a valid user name, which allows remote attackers to cause a denial of se…

Published Nov 30, 2006appleEPSS 3.61%

Overview

CVE-2006-4403 is a medium-severity vulnerability affecting apple mac_os_x. It was published on November 30, 2006 and has a CVSS 2.0 base score of 4.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The FTP server in Apple Mac OS X 10.4.8 and earlier, when FTP Access is enabled, will crash when a login failure occurs with a valid user name, which allows remote attackers to cause a denial of service (crash) and enumerate valid usernames.

Remediation

Check the references section for vendor advisories and patches from apple. Update mac_os_x 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
applemac_os_x0Affected

References

Refdocs.info.apple.com/article.html?artnum=304829Reflists.apple.com/archives/security-announce/2006/Nov/msg00001.htmlRefsecunia.com/advisories/23155Refsecuritytracker.com/id?1017303Refwww.kb.cert.org/vuls/id/371648Refwww.osvdb.org/30734Refwww.securityfocus.com/bid/21335Refwww.us-cert.gov/cas/techalerts/TA06-333A.htmlRefwww.vupen.com/english/advisories/2006/4750Refexchange.xforce.ibmcloud.com/vulnerabilities/30621

How CyberStrike helps

Frequently asked questions

What is CVE-2006-4403?

CVE-2006-4403 is a medium-severity vulnerability affecting apple mac_os_x. It was published on November 30, 2006 and has a CVSS 2.0 base score of 4.0 (MEDIUM).

How severe is CVE-2006-4403?

This vulnerability has a CVSS 2.0 base score of 4.0, 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-2006-4403?

Check the references section for vendor advisories and patches from apple. Update mac_os_x 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-2006-4403?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2006-4403 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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