CVE-2020-9283
Go SSH Signature Verification Panic Vulnerability
Description
golang.org/x/crypto before v0.0.0-20200220183623-bac4c82f6975 for Go allows a panic during signature verification in the golang.org/x/crypto/ssh package. A client can attack an SSH server that accepts public keys. Also, a server can attack any SSH client.
INFO
Published Date :
Feb. 20, 2020, 8:15 p.m.
Last Modified :
Nov. 21, 2024, 5:40 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Upgrade the affected packages.
- Update the relevant packages based on vendor guidance.
Public PoC/Exploit Available at Github
CVE-2020-9283 has a 12 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-2020-9283.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-9283 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-2020-9283
weaknesses.
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).
None
Go Makefile
Secure Shell Protocol: Introduction and Some Cryptographic Attacks
None
None
None
None
None
None
My personal repo that's all about me
Exploit for CVE-2020-9283 based on Go
exploit cve-2020-9283 tool go ssh poc crypto
Go Makefile
IoT CVEs as abnormal events to evaluate a real-time host-based IDS. https://doi.org/10.1016/j.future.2022.03.001
iot cves ids dataset anomaly-detection real-time stream-processing host-based security
Shell Dockerfile Python Ruby
Unifi Controller (DB included)
Dockerfile Shell
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-9283 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-9283 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.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/156480/Go-SSH-0.0.2-Denial-Of-Service.html Added Reference https://groups.google.com/forum/#%21topic/golang-announce/3L45YRc91SY Added Reference https://lists.debian.org/debian-lts-announce/2020/10/msg00014.html Added Reference https://lists.debian.org/debian-lts-announce/2020/11/msg00027.html Added Reference https://lists.debian.org/debian-lts-announce/2020/11/msg00031.html Added Reference https://lists.debian.org/debian-lts-announce/2023/06/msg00017.html -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference MITRE https://groups.google.com/forum/#%21topic/golang-announce/3L45YRc91SY [No types assigned] Removed Reference MITRE https://groups.google.com/forum/#!topic/golang-announce/3L45YRc91SY -
CVE Modified by [email protected]
Jun. 17, 2023
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2023/06/msg00017.html [No Types Assigned] -
Modified Analysis by [email protected]
Jan. 01, 2022
Action Type Old Value New Value Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/10/msg00014.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/10/msg00014.html Mailing List, Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/11/msg00027.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/11/msg00027.html Mailing List, Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/11/msg00031.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/11/msg00031.html Mailing List, Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Nov. 18, 2020
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2020/11/msg00031.html [No Types Assigned] -
CVE Modified by [email protected]
Nov. 17, 2020
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2020/11/msg00027.html [No Types Assigned] -
CVE Modified by [email protected]
Oct. 08, 2020
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2020/10/msg00014.html [No Types Assigned] -
Initial Analysis by [email protected]
Mar. 05, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type http://packetstormsecurity.com/files/156480/Go-SSH-0.0.2-Denial-Of-Service.html No Types Assigned http://packetstormsecurity.com/files/156480/Go-SSH-0.0.2-Denial-Of-Service.html Exploit, Third Party Advisory, VDB Entry Changed Reference Type https://groups.google.com/forum/#!topic/golang-announce/3L45YRc91SY No Types Assigned https://groups.google.com/forum/#!topic/golang-announce/3L45YRc91SY Mailing List, Third Party Advisory Added CWE NIST CWE-347 Added CPE Configuration OR *cpe:2.3:a:golang:package_ssh:0.0.0-20200220183623-bac4c82f6975:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Feb. 24, 2020
Action Type Old Value New Value Added Reference http://packetstormsecurity.com/files/156480/Go-SSH-0.0.2-Denial-Of-Service.html [No Types Assigned]
Vulnerability Scoring Details
Base CVSS Score: 7.5
Base CVSS Score: 5
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
18.68 }} -0.40%
score
0.95001
percentile