Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2014-1959

Severity CVSS v4.0:
Pending analysis
Type:
CWE-264 Permissions, Privileges, and Access Control
Publication date:
07/03/2014
Last modified:
12/04/2025

Description

lib/x509/verify.c in GnuTLS before 3.1.21 and 3.2.x before 3.2.11 treats version 1 X.509 certificates as intermediate CAs, which allows remote attackers to bypass intended restrictions by leveraging a X.509 V1 certificate from a trusted CA to issue new certificates.

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:gnu:gnutls:*:*:*:*:*:*:*:* 3.1.20 (including)
cpe:2.3:a:gnu:gnutls:3.1.0:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.1.1:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.1.2:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.1.3:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.1.4:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.1.5:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.1.6:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.1.7:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.1.8:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.1.9:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.1.10:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.1.11:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.1.12:*:*:*:*:*:*:*
cpe:2.3:a:gnu:gnutls:3.1.13:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools