CVE-2016-6313

Severity CVSS v4.0:

Pending analysis

Type:

CWE-200 Information Leak / Disclosure

Publication date:

13/12/2016

Last modified:

12/04/2025

Description

The mixing functions in the random number generator in Libgcrypt before 1.5.6, 1.6.x before 1.6.6, and 1.7.x before 1.7.3 and GnuPG before 1.4.21 make it easier for attackers to obtain the values of 160 bits by leveraging knowledge of the previous 4640 bits.

Impact

Vector 3.x

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.30 MEDIUM
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): None
Availability (A): None

Base Score 3.x

5.30

Severity 3.x

MEDIUM

Vector 2.0

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

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N

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

Base Score 2.0

5.00

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:gnupg:libgcrypt::::::::		1.5.3 (including)
cpe:2.3:a:gnupg:libgcrypt:1.6.0:::::::*
cpe:2.3:a:gnupg:libgcrypt:1.6.1:::::::*
cpe:2.3:a:gnupg:libgcrypt:1.6.2:::::::*
cpe:2.3:a:gnupg:libgcrypt:1.6.3:::::::*
cpe:2.3:a:gnupg:libgcrypt:1.6.4:::::::*
cpe:2.3:a:gnupg:libgcrypt:1.6.5:::::::*
cpe:2.3:a:gnupg:libgcrypt:1.7.0:::::::*
cpe:2.3:a:gnupg:libgcrypt:1.7.1:::::::*
cpe:2.3:a:gnupg:libgcrypt:1.7.2:::::::*
cpe:2.3:o:debian:debian_linux:8.0:::::::*
cpe:2.3:o:canonical:ubuntu_linux:12.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
cpe:2.3:a:gnupg:gnupg::::::::		1.4.14 (including)

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

CPE	From	Up to
cpe:2.3:a:gnupg:libgcrypt::::::::		1.5.3 (including)
cpe:2.3:a:gnupg:libgcrypt:1.6.0:::::::*
cpe:2.3:a:gnupg:libgcrypt:1.6.1:::::::*
cpe:2.3:a:gnupg:libgcrypt:1.6.2:::::::*
cpe:2.3:a:gnupg:libgcrypt:1.6.3:::::::*
cpe:2.3:a:gnupg:libgcrypt:1.6.4:::::::*
cpe:2.3:a:gnupg:libgcrypt:1.6.5:::::::*
cpe:2.3:a:gnupg:libgcrypt:1.7.0:::::::*
cpe:2.3:a:gnupg:libgcrypt:1.7.1:::::::*
cpe:2.3:a:gnupg:libgcrypt:1.7.2:::::::*
cpe:2.3:o:debian:debian_linux:8.0:::::::*
cpe:2.3:o:canonical:ubuntu_linux:12.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
cpe:2.3:a:gnupg:gnupg::::::::		1.4.14 (including)

CVE-2016-6313

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools