Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2009-3024

Severity CVSS v4.0:
Pending analysis
Type:
CWE-310 Cryptographic Issues
Publication date:
31/08/2009
Last modified:
09/04/2025

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.

Impact

Vector 2.0
AV:N/AC:M/Au:N/C:N/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): None
Integrity (I): Physical
Availability (A): None

Base Score 2.0
4.30
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
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:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools