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🟣 EPSS 18%

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.

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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

18% 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

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