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CVE-2016-2178

Publication date 19 June 2016

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

The dsa_sign_setup function in crypto/dsa/dsa_ossl.c in OpenSSL through 1.0.2h does not properly ensure the use of constant-time operations, which makes it easier for local users to discover a DSA private key via a timing side-channel attack.

Status

Package Ubuntu Release Status
openssl 19.04 disco
Fixed 1.0.2g-1ubuntu9
18.10 cosmic
Fixed 1.0.2g-1ubuntu9
18.04 LTS bionic
Fixed 1.0.2g-1ubuntu9
17.10 artful
Fixed 1.0.2g-1ubuntu9
17.04 zesty
Fixed 1.0.2g-1ubuntu9
16.10 yakkety
Fixed 1.0.2g-1ubuntu9
16.04 LTS xenial
Fixed 1.0.2g-1ubuntu4.4
15.10 wily Ignored end of life
14.04 LTS trusty
Fixed 1.0.1f-1ubuntu2.20
12.04 LTS precise
Fixed 1.0.1-4ubuntu5.37
openssl098 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
15.10 wily Not in release
14.04 LTS trusty Not in release
12.04 LTS precise Ignored end of life

Severity score breakdown

Parameter Value
Base score 5.5 · Medium
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N