Rapid7 Vulnerability & Exploit Database

FreeBSD: VID-6ED5C5E3-A840-11E7-B5AF-A4BADB2F4699 (CVE-2016-6515): FreeBSD -- OpenSSH Denial of Service vulnerability

Free InsightVM Trial No Credit Card Necessary
Watch Demo See how it all works
Back to Search

FreeBSD: VID-6ED5C5E3-A840-11E7-B5AF-A4BADB2F4699 (CVE-2016-6515): FreeBSD -- OpenSSH Denial of Service vulnerability

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
08/07/2016
Created
07/25/2018
Added
10/03/2017
Modified
05/07/2019

Description

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.

Solution(s)

  • freebsd-upgrade-base-10_3-release-p21
  • freebsd-upgrade-base-11_0-release-p12
  • freebsd-upgrade-base-11_1-release-p1

References

  • CVE-2016-6515
  • USN-3061-1
  • DLA-594-1

insightVM

Advanced vulnerability management analytics and reporting.
Key Features
Free InsightVM Trial View All Features

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;