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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2017-6542 Detail

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.


Severity

 


CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  9.8 CRITICAL
Vector:  CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-updates/2017-03/msg00055.html Third Party Advisory 
http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-agent-fwd-overflow.html Patch  Vendor Advisory 
http://www.securityfocus.com/bid/97156 Third Party Advisory  VDB Entry 
http://www.securitytracker.com/id/1038067
https://git.tartarus.org/?p=simon/putty.git;a=commitdiff;h=4ff22863d895cb7ebfced4cf923a012a614adaa8 Patch  Third Party Advisory 
https://security.gentoo.org/glsa/201703-03 Third Party Advisory  VDB Entry 
https://security.gentoo.org/glsa/201706-09
https://www.exploit-db.com/exploits/42137/

Weakness Enumeration

CWE-ID CWE Name Source
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer cwe source acceptance level NIST  

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Change History

6 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-6542
NVD Published Date:
03/27/2017
NVD Last Modified:
10/30/2018
Source:
MITRE