CVE-2016-2849

Published: 13 May 2016

Botan before 1.10.13 and 1.11.x before 1.11.29 do not use a constant-time algorithm to perform a modular inverse on the signature nonce k, which might allow remote attackers to obtain ECDSA secret keys via a timing side-channel attack.

Priority

Medium

CVSS 3 base score: 7.5

Status

Package Release Status
botan1.10
Launchpad, Ubuntu, Debian
Upstream
Released (1.10.13-1)
Ubuntu 21.04 (Hirsute Hippo) Does not exist

Ubuntu 20.10 (Groovy Gorilla) Does not exist

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Not vulnerable
(1.10.13-1)
Ubuntu 16.04 ESM (Xenial Xerus) Ignored
(end of standard support, was needed)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was released [1.10.5-1+deb7u1ubuntu0.14.04.1])