CVE-2016-6210 Information
Share on:Description
sshd in OpenSSH before 7.3 when SHA256 or SHA512 are used for user password hashing uses BLOWFISH hashing on a static password when the username does not exist which allows remote attackers to enumerate users by leveraging the timing difference between responses when a large password is provided.
CVSS Vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Reference
http://seclists.org/fulldisclosure/2016/Jul/51 http://www.debian.org/security/2016/dsa-3626 http://www.securityfocus.com/bid/91812 http://www.securitytracker.com/id/1036319 https://access.redhat.com/errata/RHSA-2017:2029 https://access.redhat.com/errata/RHSA-2017:2563 https://security.gentoo.org/glsa/201612-18 https://security.netapp.com/advisory/ntap-20190206-0001/ https://www.exploit-db.com/exploits/40113/ https://www.exploit-db.com/exploits/40136/ https://www.openssh.com/txt/release-7.3
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction Required
NONE
Scope
NONE
Confidentiality Impact
UNCHANGED
Integrity Impact
HIGH
Availability Impact
NONE
Base Score
NONE
Base Severity
5.9