Go SSH Package Vulnerability Affecting Multiple Clients and Servers
CVE-2020-9283

7.5HIGH

Key Information:

Vendor

Golang

Status
Package Ssh
Vendor
CVE Published:
20 February 2020

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-9283?

The vulnerability in the Go SSH package can lead to a panic during signature verification, allowing attackers to exploit SSH servers accepting public keys and impacting any SSH clients. This can result in a denial of service scenario, raising significant security concerns.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2020-9283
Created by brompwnie

References

https://groups.google.com/forum/#%21topic/golang-announce...
http://packetstormsecurity.com/files/156480/Go-SSH-0.0.2-...
https://lists.debian.org/debian-lts-announce/2020/10/msg0...
mailing-list

EPSS Score

9% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2020-9283 : Go SSH Package Vulnerability Affecting Multiple Clients and Servers