CVE-2022-27191

Public on 2022-03-18
Modified on 2023-08-31
Description

A broken cryptographic algorithm flaw was found in golang.org/x/crypto/ssh. This issue causes a client to fail authentification with RSA keys to servers that reject signature algorithms based on SHA-2, enabling an attacker to crash the server, resulting in a loss of availability.

Severity
Medium
See what this means
CVSS v3 Base Score
7.5
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 amazon-ssm-agent 2023-09-07 ALAS-2023-1825
Amazon Linux 2 - Core amazon-ssm-agent 2023-09-05 ALAS2-2023-2238
Amazon Linux 2023 amazon-ssm-agent 2023-09-07 ALAS2023-2023-339
Amazon Linux 2 - Core go-rpm-macros 2022-10-21 ALAS2-2022-1863
Amazon Linux 1 golang 2022-09-21 ALAS-2022-1635
Amazon Linux 2 - Core golang 2022-09-20 ALAS2-2022-1846
Amazon Linux 2023 golang 2023-03-22 ALAS2023-2023-048
Amazon Linux 2023 golang-github-cpuguy83-md2man 2023-03-22 ALAS2023-2023-047
Amazon Linux 2 - Core golang-github-godbus-dbus 2022-10-21 ALAS2-2022-1858
Amazon Linux 2 - Core golang-github-gorilla-context 2022-10-21 ALAS2-2022-1859
Amazon Linux 2 - Core golang-github-gorilla-mux 2022-10-21 ALAS2-2022-1860
Amazon Linux 2 - Core golang-github-kr-pty 2022-10-21 ALAS2-2022-1864
Amazon Linux 2 - Core golang-github-syndtr-gocapability 2022-10-21 ALAS2-2022-1865
Amazon Linux 2 - Core golang-googlecode-net 2022-10-21 ALAS2-2022-1861
Amazon Linux 2 - Core golang-googlecode-sqlite 2022-10-21 ALAS2-2022-1862
Amazon Linux 2 - Core golist 2022-09-20 ALAS2-2022-1847
Amazon Linux 2023 golist 2023-03-22 ALAS2023-2023-046
Amazon Linux 2 - Docker Extra runc 2022-10-11 ALAS2DOCKER-2022-020
Amazon Linux 2 - Ecs Extra runc 2025-04-29 ALAS2ECS-2025-057
Amazon Linux 2 - Aws-nitro-enclaves-cli Extra runc 2025-04-29 ALAS2NITRO-ENCLAVES-2025-055

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv2 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P