CVE-2020-9283 – Go SSH servers 0.0.2 - Denial of Service (PoC)

https://notcve.org/view.php?id=CVE-2020-9283

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. golang.org/x/crypto versiones anteriores a v0.0.0-20200220183623-bac4c82f6975, para Go permite un pánico durante la comprobación de firma en el paquete golang.org/x/crypto/ssh. Un cliente puede atacar un servidor SSH que acepte claves públicas. Además, un servidor puede atacar a cualquier cliente SSH. • https://www.exploit-db.com/exploits/48121 https://github.com/brompwnie/CVE-2020-9283 http://packetstormsecurity.com/files/156480/Go-SSH-0.0.2-Denial-Of-Service.html https://groups.google.com/forum/#%21topic/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://lists.debian.org/debian-lts-announce • CWE-130: Improper Handling of Length Parameter Inconsistency CWE-347: Improper Verification of Cryptographic Signature •