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

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CVE-2011-5238

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
06/11/2012
Last modified:
11/04/2025

Description

google-checkout-php-sample-code before 1.3.2 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

Impact

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

Base Score: 5.80 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:N

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

Base Score 2.0
5.80
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:google:checkout-php:*:*:*:*:*:*:*:* 1.3.1 (including)
cpe:2.3:a:google:checkout-php:1.2:*:*:*:*:*:*:*
cpe:2.3:a:google:checkout-php:1.2:beta:*:*:*:*:*:*
cpe:2.3:a:google:checkout-php:1.2.1:beta:*:*:*:*:*:*
cpe:2.3:a:google:checkout-php:1.2.5:*:*:*:*:*:*:*
cpe:2.3:a:google:checkout-php:1.2.5a:*:*:*:*:*:*:*
cpe:2.3:a:google:checkout-php:1.3.0:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools