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CVE-2009-3024

Date: August 31, 2009

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.

Language: Perl

Severity Score

Related Resources (10)

http://www.vupen.com/english/advisories/2011/0118
http://cpansearch.perl.org/src/SULLR/IO-Socket-SSL-1.30/Changes
http://www.openwall.com/lists/oss-security/2009/08/28/1
http://www.openwall.com/lists/oss-security/2009/08/31/4
http://lists.opensuse.org/opensuse-security-announce/2009-09/msg00001.html
http://www.openwall.com/lists/oss-security/2009/08/29/1
https://nvd.nist.gov/vuln/detail/CVE-2009-3024
http://secunia.com/advisories/42893
http://www.gentoo.org/security/en/glsa/glsa-201101-06.xml
https://www.mend.io/vulnerability-database/CVE-2009-3024

Severity Score

Weakness Type (CWE)

Cryptographic Issues

CWE-310

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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