Rapid7 Vulnerability & Exploit Database

FreeBSD: VID-9B973E97-0A99-11E7-ACE7-080027EF73EC (CVE-2017-6542): PuTTY -- integer overflow permits memory overwrite by forwarded ssh-agent connections

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

FreeBSD: VID-9B973E97-0A99-11E7-ACE7-080027EF73EC (CVE-2017-6542): PuTTY -- integer overflow permits memory overwrite by forwarded ssh-agent connections

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
01/29/2017
Created
07/25/2018
Added
03/18/2017
Modified
05/07/2019

Description

The ssh_agent_channel_data function in PuTTY before 0.68 allows remote attackers to have unspecified impact via a large length value in an agent protocol message and leveraging the ability to connect to the Unix-domain socket representing the forwarded agent connection, which trigger a buffer overflow.

Solution(s)

  • freebsd-upgrade-package-putty

References

  • CVE-2017-6542

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

;