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

Go to Calendar     Go to Press Room     Go to Newsletters subscription

Search

CVE-2013-4351

Severity CVSS v4.0:
Pending analysis
Type:
CWE-310 Cryptographic Issues
Publication date:
10/10/2013
Last modified:
11/04/2025

Description

GnuPG 1.4.x, 2.0.x, and 2.1.x treats a key flags subpacket with all bits cleared (no usage permitted) as if it has all bits set (all usage permitted), which might allow remote attackers to bypass intended cryptographic protection mechanisms by leveraging the subkey.

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:gnupg:gnupg:1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:gnupg:gnupg:1.4.2:*:*:*:*:*:*:*
cpe:2.3:a:gnupg:gnupg:1.4.3:*:*:*:*:*:*:*
cpe:2.3:a:gnupg:gnupg:1.4.4:*:*:*:*:*:*:*
cpe:2.3:a:gnupg:gnupg:1.4.5:*:*:*:*:*:*:*
cpe:2.3:a:gnupg:gnupg:1.4.6:*:*:*:*:*:*:*
cpe:2.3:a:gnupg:gnupg:1.4.8:*:*:*:*:*:*:*
cpe:2.3:a:gnupg:gnupg:1.4.10:*:*:*:*:*:*:*
cpe:2.3:a:gnupg:gnupg:1.4.11:*:*:*:*:*:*:*
cpe:2.3:a:gnupg:gnupg:1.4.12:*:*:*:*:*:*:*
cpe:2.3:a:gnupg:gnupg:1.4.13:*:*:*:*:*:*:*
cpe:2.3:a:gnupg:gnupg:2.0:*:*:*:*:*:*:*
cpe:2.3:a:gnupg:gnupg:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:gnupg:gnupg:2.0.3:*:*:*:*:*:*:*
cpe:2.3:a:gnupg:gnupg:2.0.4:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools