Ecosyste.ms: Advisories

Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLWZmaGctN21oNC0zM2M0

Improper Verification of Cryptographic Signature in golang.org/x/crypto

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.

Permalink: https://github.com/advisories/GHSA-ffhg-7mh4-33c4
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLWZmaGctN21oNC0zM2M0
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: almost 3 years ago
Updated: about 1 year ago

CVSS Score: 7.5
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Identifiers: GHSA-ffhg-7mh4-33c4, CVE-2020-9283
References:

• https://nvd.nist.gov/vuln/detail/CVE-2020-9283
• https://github.com/golang/crypto/commit/bac4c82f69751a6dd76e702d54b3ceb88adab236
• https://groups.google.com/forum/#!topic/golang-announce/3L45YRc91SY
• https://lists.debian.org/debian-lts-announce/2020/10/msg00014.html
• https://lists.debian.org/debian-lts-announce/2020/11/msg00027.html
• https://lists.debian.org/debian-lts-announce/2020/11/msg00031.html
• https://www.exploit-db.com/exploits/48121
• http://packetstormsecurity.com/files/156480/Go-SSH-0.0.2-Denial-Of-Service.html
• https://go.dev/cl/220357
• https://go.googlesource.com/crypto/+/bac4c82f69751a6dd76e702d54b3ceb88adab236
• https://groups.google.com/g/golang-announce/c/3L45YRc91SY
• https://pkg.go.dev/vuln/GO-2020-0012
• https://github.com/advisories/GHSA-ffhg-7mh4-33c4

Repository: https://github.com/golang/crypto
Blast Radius: 40.7

Affected Packages