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CVE-2016-6489

Publication date 1 August 2016

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

The RSA and DSA decryption code in Nettle makes it easier for attackers to discover private keys via a cache side channel attack.

Read the notes from the security team

Status

Package Ubuntu Release Status
nettle 17.04 zesty
Not affected
16.10 yakkety
Fixed 3.2-1ubuntu0.16.10.1
16.04 LTS xenial
Fixed 3.2-1ubuntu0.16.04.1
15.10 wily Ignored end of life
14.04 LTS trusty
Fixed 2.7.1-1ubuntu0.2
12.04 LTS precise
Fixed 2.4-1ubuntu0.1

Notes

mdeslaur

original patch had issues, see http://seclists.org/oss-sec/2016/q3/206 subsequent commits fix issue

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
nettle

Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N