National Vulnerability Database

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    Vulnerabilities Detail

CVE-2016-6313 Detail

Current 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.

Source:  MITRE
Description Last Modified:  12/13/2016
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.3 MEDIUM
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N (V3 legend)
Impact Score: 1.4
Exploitability Score: 3.9

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

CVSS v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0

Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): None
Availability (A): None
Additional Information:
Allows unauthorized disclosure of information

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://rhn.redhat.com/errata/RHSA-2016-2674.html
http://www.debian.org/security/2016/dsa-3649 Third Party Advisory
http://www.debian.org/security/2016/dsa-3650 Third Party Advisory
http://www.securityfocus.com/bid/92527 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1036635
http://www.ubuntu.com/usn/USN-3064-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-3065-1 Third Party Advisory
https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=blob_plain;f=NEWS Vendor Advisory
https://lists.gnupg.org/pipermail/gnupg-announce/2016q3/000395.html Mailing List Vendor Advisory
https://security.gentoo.org/glsa/201610-04
https://security.gentoo.org/glsa/201612-01

Technical Details

Vulnerability Type (View All)

  • Information Leak / Disclosure (CWE-200)

Change History

5 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-6313
NVD Published Date:
12/13/2016
NVD Last Modified:
01/04/2018