Vulnerability Monitor

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CVE-2013-4351

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.

Published

2013-10-10T00:55:15.023

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.8 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:N

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: NONE
Exploitability Score

8.6

Impact Score

4.9

Weaknesses
  • Type: Primary
    CWE-310
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application gnupg gnupg 1.4.0 Yes
Application gnupg gnupg 1.4.2 Yes
Application gnupg gnupg 1.4.3 Yes
Application gnupg gnupg 1.4.4 Yes
Application gnupg gnupg 1.4.5 Yes
Application gnupg gnupg 1.4.6 Yes
Application gnupg gnupg 1.4.8 Yes
Application gnupg gnupg 1.4.10 Yes
Application gnupg gnupg 1.4.11 Yes
Application gnupg gnupg 1.4.12 Yes
Application gnupg gnupg 1.4.13 Yes
Application gnupg gnupg 2.0 Yes
Application gnupg gnupg 2.0.1 Yes
Application gnupg gnupg 2.0.3 Yes
Application gnupg gnupg 2.0.4 Yes
Application gnupg gnupg 2.0.5 Yes
Application gnupg gnupg 2.0.6 Yes
Application gnupg gnupg 2.0.7 Yes
Application gnupg gnupg 2.0.8 Yes
Application gnupg gnupg 2.0.10 Yes
Application gnupg gnupg 2.0.11 Yes
Application gnupg gnupg 2.0.12 Yes
Application gnupg gnupg 2.0.13 Yes
Application gnupg gnupg 2.0.14 Yes
Application gnupg gnupg 2.0.15 Yes
Application gnupg gnupg 2.0.16 Yes
Application gnupg gnupg 2.0.17 Yes
Application gnupg gnupg 2.0.18 Yes
Application gnupg gnupg 2.0.19 Yes
Application gnupg gnupg 2.1.0 Yes
References