GitHub Advisoryadvisory · Go

GHSA-gwc9-m7rh-j2ww x/crypto/ssh vulnerable to panic via malformed packets

HIGH Published 2022-09-07 Modified 2023-08-30 Official page ↗
Aliases
CVE-2021-43565
Ecosystem
Go
Packages
golang.org/x/crypto
Severity
High
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Reviewed
2022-09-16

Affected packages

• Go golang.org/x/crypto: < 0.0.0-20211202192323-5770296d904e → fixed in 0.0.0-20211202192323-5770296d904e

Description

The x/crypto/ssh package before 0.0.0-20211202192323-5770296d904e of golang.org/x/crypto allows an unauthenticated attacker to panic an SSH server. When using AES-GCM or ChaCha20Poly1305, consuming a malformed packet which contains an empty plaintext causes a panic.

Related

Alias · CVE (1)

  • CVE-2021-43565 The x/crypto/ssh package before 0.0.0-20211202192323-5770296d904e of golang.org/x/crypto allows an attacker to panic an SSH server. vulnerability

References