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 severity
Medium
CVSS v3 Base Score
7.5
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 1 amazon-ssm-agent 2023-08-30 ALAS-2023-1825 Fixed
Amazon Linux 2 - Core amazon-ssm-agent 2023-08-31 ALAS2-2023-2238 Fixed
Amazon Linux 2023 amazon-ssm-agent 2023-08-31 ALAS2023-2023-339 Fixed
Amazon Linux 2 - Core go-rpm-macros 2022-10-17 ALAS2-2022-1863 Fixed
Amazon Linux 1 golang 2022-09-15 ALAS-2022-1635 Fixed
Amazon Linux 2 - Core golang 2022-09-15 ALAS2-2022-1846 Fixed
Amazon Linux 2023 golang 2023-02-17 ALAS2023-2023-048 Fixed
Amazon Linux 2023 golang-github-cpuguy83-md2man 2023-02-17 ALAS2023-2023-047 Fixed
Amazon Linux 2 - Core golang-github-godbus-dbus 2022-10-17 ALAS2-2022-1858 Fixed
Amazon Linux 2 - Core golang-github-gorilla-context 2022-10-17 ALAS2-2022-1859 Fixed
Amazon Linux 2 - Core golang-github-gorilla-mux 2022-10-17 ALAS2-2022-1860 Fixed
Amazon Linux 2 - Core golang-github-kr-pty 2022-10-17 ALAS2-2022-1864 Fixed
Amazon Linux 2 - Core golang-github-syndtr-gocapability 2022-10-17 ALAS2-2022-1865 Fixed
Amazon Linux 2 - Core golang-googlecode-net 2022-10-17 ALAS2-2022-1861 Fixed
Amazon Linux 2 - Core golang-googlecode-sqlite 2022-10-17 ALAS2-2022-1862 Fixed
Amazon Linux 2 - Core golist 2022-09-15 ALAS2-2022-1847 Fixed
Amazon Linux 2023 golist 2023-02-17 ALAS2023-2023-046 Fixed
Amazon Linux 2 - Docker Extra runc 2022-09-30 ALAS2DOCKER-2022-020 Fixed

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