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CVE-2009-3024

4.3 · MEDIUM

The verify_hostname_of_cert function in the certificate checking feature in IO-Socket-SSL (IO::Socket::SSL) 1.14 through 1.25 only matches the prefix of a hostname when no wildcard is used, which a…

Published Aug 31, 2009io-socket-sslCWE-310EPSS 1.00%

Overview

CVE-2009-3024 is a medium-severity vulnerability affecting io-socket-ssl io-socket-ssl. It was published on August 31, 2009 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The verify_hostname_of_cert function in the certificate checking feature in IO-Socket-SSL (IO::Socket::SSL) 1.14 through 1.25 only matches the prefix of a hostname when no wildcard is used, which allows remote attackers to bypass the hostname check for a certificate.

Remediation

Check the references section for vendor advisories and patches from io-socket-ssl. Update io-socket-ssl 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

Refcpansearch.perl.org/src/SULLR/IO-Socket-SSL-1.30/ChangesReflists.opensuse.org/opensuse-security-announce/2009-09/msg00001.htmlRefsecunia.com/advisories/42893Refwww.gentoo.org/security/en/glsa/glsa-201101-06.xmlRefwww.openwall.com/lists/oss-security/2009/08/28/1Refwww.openwall.com/lists/oss-security/2009/08/29/1Refwww.openwall.com/lists/oss-security/2009/08/31/4Refwww.vupen.com/english/advisories/2011/0118Refcpansearch.perl.org/src/SULLR/IO-Socket-SSL-1.30/ChangesReflists.opensuse.org/opensuse-security-announce/2009-09/msg00001.html

How CyberStrike helps

Frequently asked questions

What is CVE-2009-3024?

CVE-2009-3024 is a medium-severity vulnerability affecting io-socket-ssl io-socket-ssl. It was published on August 31, 2009 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

How severe is CVE-2009-3024?

This vulnerability has a CVSS 2.0 base score of 4.3, 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-2009-3024?

Check the references section for vendor advisories and patches from io-socket-ssl. Update io-socket-ssl 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-2009-3024?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-3024 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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