USN-4854-1

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Source
https://ubuntu.com/security/notices/USN-4854-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4854-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-4854-1
Related
Published
2021-03-15T22:40:45.174243Z
Modified
2021-03-15T22:40:45.174243Z
Summary
python-asyncssh vulnerability
Details

Matthijs Kooijman discovered that AsyncSSH server did not properly handle authentication under certain conditions. An attacker with a specially crafted client could use this vulnerability to skip authentication of SSH sessions.

References

Affected packages

Ubuntu:Pro:18.04:LTS / python-asyncssh

Package

Name
python-asyncssh
Purl
pkg:deb/ubuntu/python-asyncssh@1.11.1-1ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.11.1-1ubuntu0.1~esm1

Affected versions

1.*

1.8.1-2
1.11.0-2
1.11.1-1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "1.11.1-1ubuntu0.1~esm1",
            "binary_name": "python-asyncssh-doc"
        },
        {
            "binary_version": "1.11.1-1ubuntu0.1~esm1",
            "binary_name": "python3-asyncssh"
        }
    ]
}