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    CVE-2009-3024

    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.

    Published:Jul 3, 2009
    Last Modified:Apr 23, 2026
    EPS:Aug 31, 2009
    EPSS Score:0.00202
    CVSS Score:4.3

    Affected Products

    Vendor
    Io-socket-ssl
    Product
    Io-socket-ssl

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    References

    http://cpansearch.perl.org/src/SULLR/IO-Socket-SSL-1.30/Changes
    http://lists.opensuse.org/opensuse-security-announce/2009-09/msg00001.html
    http://secunia.com/advisories/42893
    http://www.gentoo.org/security/en/glsa/glsa-201101-06.xml
    http://www.openwall.com/lists/oss-security/2009/08/28/1
    http://www.openwall.com/lists/oss-security/2009/08/29/1
    http://www.openwall.com/lists/oss-security/2009/08/31/4
    http://www.vupen.com/english/advisories/2011/0118
    http://cpansearch.perl.org/src/SULLR/IO-Socket-SSL-1.30/Changes
    http://lists.opensuse.org/opensuse-security-announce/2009-09/msg00001.html
    http://secunia.com/advisories/42893
    http://www.gentoo.org/security/en/glsa/glsa-201101-06.xml
    http://www.openwall.com/lists/oss-security/2009/08/28/1
    http://www.openwall.com/lists/oss-security/2009/08/29/1
    http://www.openwall.com/lists/oss-security/2009/08/31/4
    http://www.vupen.com/english/advisories/2011/0118

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High