Vulnerability CVE-2009-3024
Published: 2009-08-31   Modified: 2012-02-13

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.

Type:

CWE-310

 (Cryptographic Issues)

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Io-socket-ssl -> Io-socket-ssl 

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