CVE-2017-3204
OpenSSH Go Library Host Key Verification Bypass
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.
INFO
Published Date :
April 4, 2017, 2:59 p.m.
Last Modified :
Nov. 21, 2024, 3:25 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
2.2
Public PoC/Exploit Available at Github
CVE-2017-3204 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2017-3204.
| URL | 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 |
| 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 |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
easy way to distribute commands over ssh.
Go
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2017-3204 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2017-3204 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/97481 Added Reference https://bridge.grumpy-troll.org/2017/04/golang-ssh-security/ Added Reference https://github.com/golang/crypto/commit/e4e2799dd7aab89f583e1d898300d96367750991 Added Reference https://github.com/golang/go/issues/19767 Added Reference https://godoc.org/golang.org/x/crypto/ssh -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Jul. 07, 2020
Action Type Old Value New Value Removed CVSS V3 NIST AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Added CVSS V3.1 NIST AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Changed CPE Configuration OR *cpe:2.3:a:golang:crypto:*:*:*:*:*:*:*:* versions up to (including) 03-17-2017 OR *cpe:2.3:a:golang:crypto:*:*:*:*:*:*:*:* versions up to (including) 2017-03-17 -
CVE Modified by [email protected]
Oct. 09, 2019
Action Type Old Value New Value Added CWE CERT/CC CWE-310 -
CWE Remap by [email protected]
Oct. 03, 2019
Action Type Old Value New Value Changed CWE CWE-320 NVD-CWE-noinfo -
Initial Analysis by [email protected]
Apr. 11, 2017
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:P/A:P) Added CVSS V3 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://github.com/golang/crypto/commit/e4e2799dd7aab89f583e1d898300d96367750991 No Types Assigned https://github.com/golang/crypto/commit/e4e2799dd7aab89f583e1d898300d96367750991 Patch, Third Party Advisory Changed Reference Type https://github.com/golang/go/issues/19767 No Types Assigned https://github.com/golang/go/issues/19767 Third Party Advisory Changed Reference Type https://godoc.org/golang.org/x/crypto/ssh No Types Assigned https://godoc.org/golang.org/x/crypto/ssh Vendor Advisory Changed Reference Type https://bridge.grumpy-troll.org/2017/04/golang-ssh-security/ No Types Assigned https://bridge.grumpy-troll.org/2017/04/golang-ssh-security/ Third Party Advisory Changed Reference Type http://www.securityfocus.com/bid/97481 No Types Assigned http://www.securityfocus.com/bid/97481 Third Party Advisory, VDB Entry Added CWE CWE-320 Added CPE Configuration OR *cpe:2.3:a:golang:crypto:03-17-2017:*:*:*:*:*:*:* (and previous) -
CVE Modified by [email protected]
Apr. 08, 2017
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/97481 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2017-3204 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2017-3204
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.23 }} -0.01%
score
0.60475
percentile