CVE-2017-3204 Detail

Current Description

The Go SSH library (x/crypto/ssh) by default does not verify host keys, facilitating man-in-the-middle attacks. Default behavior changed in commit e4e2799 to require explicitly registering a hostkey verification mechanism.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  8.1 HIGH
Vector:  CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H


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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://www.securityfocus.com/bid/97481 Third Party Advisory  VDB Entry 
https://bridge.grumpy-troll.org/2017/04/golang-ssh-security/ Third Party Advisory 
https://github.com/golang/crypto/commit/e4e2799dd7aab89f583e1d898300d96367750991 Patch  Third Party Advisory 
https://github.com/golang/go/issues/19767 Third Party Advisory 
https://godoc.org/golang.org/x/crypto/ssh Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-noinfo Insufficient Information cwe source acceptance level NIST  
CWE-310 Cryptographic Issues Reference acceptance level CERT/CC  

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Change History

5 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-3204
NVD Published Date:
04/04/2017
NVD Last Modified:
07/07/2020
Source:
CERT/CC