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CVE-2009-2818

5.0 · MEDIUM

Adaptive Firewall in Apple Mac OS X before 10.6.2 does not properly handle invalid usernames in SSH login attempts, which makes it easier for remote attackers to obtain login access via a brute-for…

Published Nov 10, 2009appleCWE-264EPSS 1.88%

Overview

CVE-2009-2818 is a medium-severity vulnerability affecting apple mac_os_x_server. It was published on November 10, 2009 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

Adaptive Firewall in Apple Mac OS X before 10.6.2 does not properly handle invalid usernames in SSH login attempts, which makes it easier for remote attackers to obtain login access via a brute-force attack (aka dictionary attack).

Remediation

Check the references section for vendor advisories and patches from apple. Update mac_os_x_server 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_x_server0Affected

References

Reflists.apple.com/archives/security-announce/2009/Nov/msg00000.htmlRefsupport.apple.com/kb/HT3937Refwww.securityfocus.com/bid/36956Refwww.vupen.com/english/advisories/2009/3184Reflists.apple.com/archives/security-announce/2009/Nov/msg00000.htmlRefsupport.apple.com/kb/HT3937Refwww.securityfocus.com/bid/36956Refwww.vupen.com/english/advisories/2009/3184

How CyberStrike helps

Frequently asked questions

What is CVE-2009-2818?

CVE-2009-2818 is a medium-severity vulnerability affecting apple mac_os_x_server. It was published on November 10, 2009 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2009-2818?

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-2009-2818?

Check the references section for vendor advisories and patches from apple. Update mac_os_x_server 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-2009-2818?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-2818 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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