Vulnerability CVE-2010-4334
Published: 2011-01-13   Modified: 2012-02-13

Description:
The IO::Socket::SSL module 1.35 for Perl, when verify_mode is not VERIFY_NONE, fails open to VERIFY_NONE instead of throwing an error when a ca_file/ca_path cannot be verified, which allows remote attackers to bypass intended certificate restrictions.

Type:

CWE-310

 (Cryptographic Issues)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
4/10
4.9/10
4.9/10
Exploit range
Attack complexity
Authentication
Remote
High
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
None
Affected software
Io-socket-ssl -> Io-socket-ssl 

 References:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=606058
http://www.securityfocus.com/bid/45189
http://www.openwall.com/lists/oss-security/2010/12/24/1
http://www.openwall.com/lists/oss-security/2010/12/09/8
http://www.mandriva.com/security/advisories?name=MDVSA-2011:092
http://secunia.com/advisories/42757
http://secunia.com/advisories/42508
http://osvdb.org/69626
http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052601.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052594.html
http://cpansearch.perl.org/src/SULLR/IO-Socket-SSL-1.35/Changes
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