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CVE-2016-6313

Publication date 17 August 2016

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

5.3 · Medium

Score breakdown

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.

Read the notes from the security team

Status

Package Ubuntu Release Status
gnupg 19.04 disco Not in release
18.10 cosmic Not in release
18.04 LTS bionic Not in release
17.10 artful Not in release
17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial
Fixed 1.4.20-1ubuntu3.1
14.04 LTS trusty
Fixed 1.4.16-1ubuntu2.4
12.04 LTS precise
Fixed 1.4.11-3ubuntu2.10
gnupg2 19.04 disco
Not affected
18.10 cosmic
Not affected
18.04 LTS bionic
Not affected
17.10 artful
Not affected
17.04 zesty
Not affected
16.10 yakkety
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty Not in release
12.04 LTS precise
Not affected
libgcrypt11 19.04 disco Not in release
18.10 cosmic Not in release
18.04 LTS bionic Not in release
17.10 artful Not in release
17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty
Fixed 1.5.3-2ubuntu4.4
12.04 LTS precise
Fixed 1.5.0-3ubuntu0.6
libgcrypt20 19.04 disco
Fixed 1.7.2-2ubuntu1
18.10 cosmic
Fixed 1.7.2-2ubuntu1
18.04 LTS bionic
Fixed 1.7.2-2ubuntu1
17.10 artful
Fixed 1.7.2-2ubuntu1
17.04 zesty
Fixed 1.7.2-2ubuntu1
16.10 yakkety
Fixed 1.7.2-2ubuntu1
16.04 LTS xenial
Fixed 1.6.5-2ubuntu0.2
14.04 LTS trusty Not in release
12.04 LTS precise Not in release

Notes


mdeslaur

CVE number in announcement is wrong

Severity score breakdown

Parameter Value
Base score 5.3 · Medium
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality Low
Integrity impact None
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References

Related Ubuntu Security Notices (USN)

Other references