Unrated severityNVD Advisory· Published Aug 31, 2009· Updated Jun 16, 2026
CVE-2009-3024
CVE-2009-3024
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
16cpe:2.3:a:io-socket-ssl:io-socket-ssl:1.14:*:*:*:*:*:*:*+ 15 more
- cpe:2.3:a:io-socket-ssl:io-socket-ssl:1.14:*:*:*:*:*:*:*
- cpe:2.3:a:io-socket-ssl:io-socket-ssl:1.15:*:*:*:*:*:*:*
- cpe:2.3:a:io-socket-ssl:io-socket-ssl:1.16:*:*:*:*:*:*:*
- cpe:2.3:a:io-socket-ssl:io-socket-ssl:1.16_1:*:*:*:*:*:*:*
- cpe:2.3:a:io-socket-ssl:io-socket-ssl:1.16_2:*:*:*:*:*:*:*
- cpe:2.3:a:io-socket-ssl:io-socket-ssl:1.16_3:*:*:*:*:*:*:*
- cpe:2.3:a:io-socket-ssl:io-socket-ssl:1.17:*:*:*:*:*:*:*
- cpe:2.3:a:io-socket-ssl:io-socket-ssl:1.18:*:*:*:*:*:*:*
- cpe:2.3:a:io-socket-ssl:io-socket-ssl:1.19:*:*:*:*:*:*:*
- cpe:2.3:a:io-socket-ssl:io-socket-ssl:1.20:*:*:*:*:*:*:*
- cpe:2.3:a:io-socket-ssl:io-socket-ssl:1.21:*:*:*:*:*:*:*
- cpe:2.3:a:io-socket-ssl:io-socket-ssl:1.22:*:*:*:*:*:*:*
- cpe:2.3:a:io-socket-ssl:io-socket-ssl:1.23:*:*:*:*:*:*:*
- cpe:2.3:a:io-socket-ssl:io-socket-ssl:1.24:*:*:*:*:*:*:*
- cpe:2.3:a:io-socket-ssl:io-socket-ssl:1.25:*:*:*:*:*:*:*
- (no CPE)range: 1.14 - 1.25
Patches
Vulnerability mechanics
References
8- cpansearch.perl.org/src/SULLR/IO-Socket-SSL-1.30/Changesnvd
- lists.opensuse.org/opensuse-security-announce/2009-09/msg00001.htmlnvd
- secunia.com/advisories/42893nvd
- www.gentoo.org/security/en/glsa/glsa-201101-06.xmlnvd
- www.openwall.com/lists/oss-security/2009/08/28/1nvd
- www.openwall.com/lists/oss-security/2009/08/29/1nvd
- www.openwall.com/lists/oss-security/2009/08/31/4nvd
- www.vupen.com/english/advisories/2011/0118nvd
News mentions
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