CVE-2020-9283

high

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.

References

Advisories
More

https://lists.debian.org/debian-lts-announce/2020/11/msg00031.html

https://lists.debian.org/debian-lts-announce/2020/11/msg00027.html

https://lists.debian.org/debian-lts-announce/2020/10/msg00014.html

https://github.com/advisories/GHSA-ffhg-7mh4-33c4

https://lists.debian.org/debian-lts-announce/2023/06/msg00017.html

https://groups.google.com/forum/#%21topic/golang-announce/3L45YRc91SY

https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-1059

http://packetstormsecurity.com/files/156480/Go-SSH-0.0.2-Denial-Of-Service.html

Details

Source: Mitre, NVD

Published: 2020-02-20

Updated: 2026-06-17

Named Vulnerability: GO-2020-0012Named Vulnerability: GHSA-ffhg-7mh4-33c4

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.20891