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CVE-2016-3995

Published: 13 February 2017

The timing attack protection in Rijndael::Enc::ProcessAndXorBlock and Rijndael::Dec::ProcessAndXorBlock in Crypto++ (aka cryptopp) before 5.6.4 may be optimized out by the compiler, which allows attackers to conduct timing attacks.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
libcrypto++
Launchpad, Ubuntu, Debian
artful Not vulnerable

bionic Not vulnerable

precise Ignored
(end of life)
trusty
Released (5.6.1-6+deb8u3build0.14.04.1)
upstream
Released (5.6.3-6)
wily Ignored
(end of life)
xenial
Released (5.6.1-9ubuntu0.1)
yakkety Not vulnerable
(5.6.3-8)
zesty Not vulnerable

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N