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CVE-2016-6515

Published: 7 August 2016

The auth_password function in auth-passwd.c in sshd in OpenSSH before 7.3 does not limit password lengths for password authentication, which allows remote attackers to cause a denial of service (crypt CPU consumption) via a long string.

Priority

Medium

CVSS 3 base score: 7.5

Status

Package Release Status
openssh
Launchpad, Ubuntu, Debian
precise
Released (1:5.9p1-5ubuntu1.10)
trusty
Released (1:6.6p1-2ubuntu2.8)
upstream
Released (1:7.3p1-1)
xenial
Released (1:7.2p2-4ubuntu2.1)
yakkety Not vulnerable
(1:7.3p1-1)
zesty Not vulnerable
(1:7.3p1-1)
Patches:
upstream: https://github.com/openssh/openssh-portable/commit/fcd135c9df440bcd2d5870405ad3311743d78d97