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

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CVE-2008-2420

Severity CVSS v4.0:
Pending analysis
Type:
CWE-264 Permissions, Privileges, and Access Control
Publication date:
23/05/2008
Last modified:
09/04/2025

Description

The OCSP functionality in stunnel before 4.24 does not properly search certificate revocation lists (CRL), which allows remote attackers to bypass intended access restrictions by using revoked certificates.

Impact

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

Base Score: 6.80 MEDIUM
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

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

Base Score 2.0
6.80
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:stunnel:stunnel:3.4a:*:*:*:*:*:*:*
cpe:2.3:a:stunnel:stunnel:3.5:*:*:*:*:*:*:*
cpe:2.3:a:stunnel:stunnel:3.6:*:*:*:*:*:*:*
cpe:2.3:a:stunnel:stunnel:3.7:*:*:*:*:*:*:*
cpe:2.3:a:stunnel:stunnel:3.8:*:*:*:*:*:*:*
cpe:2.3:a:stunnel:stunnel:3.8p1:*:*:*:*:*:*:*
cpe:2.3:a:stunnel:stunnel:3.8p2:*:*:*:*:*:*:*
cpe:2.3:a:stunnel:stunnel:3.8p3:*:*:*:*:*:*:*
cpe:2.3:a:stunnel:stunnel:3.8p4:*:*:*:*:*:*:*
cpe:2.3:a:stunnel:stunnel:3.9:*:*:*:*:*:*:*
cpe:2.3:a:stunnel:stunnel:3.10:*:*:*:*:*:*:*
cpe:2.3:a:stunnel:stunnel:3.11:*:*:*:*:*:*:*
cpe:2.3:a:stunnel:stunnel:3.12:*:*:*:*:*:*:*
cpe:2.3:a:stunnel:stunnel:3.13:*:*:*:*:*:*:*
cpe:2.3:a:stunnel:stunnel:3.14:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools