UBUNTU-CVE-2023-46445

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Source
https://ubuntu.com/security/CVE-2023-46445
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-46445.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2023-46445
Upstream
Downstream
Related
Published
2023-11-14T03:15:00Z
Modified
2025-07-18T16:54:40Z
Severity
  • 5.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

An issue in AsyncSSH before 2.14.1 allows attackers to control the extension info message (RFC 8308) via a man-in-the-middle attack, aka a "Rogue Extension Negotiation."

References

Affected packages

Ubuntu:Pro:16.04:LTS / python-asyncssh

Package

Name
python-asyncssh
Purl
pkg:deb/ubuntu/python-asyncssh@1.3.0-1?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.2.0-1
1.2.1-1
1.3.0-1

Ubuntu:Pro:18.04:LTS / python-asyncssh

Package

Name
python-asyncssh
Purl
pkg:deb/ubuntu/python-asyncssh@1.11.1-1ubuntu0.1~esm2?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~esm2

Affected versions

1.*

1.8.1-2
1.11.0-2
1.11.1-1
1.11.1-1ubuntu0.1~esm1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "python-asyncssh-doc",
            "binary_version": "1.11.1-1ubuntu0.1~esm2"
        },
        {
            "binary_name": "python3-asyncssh",
            "binary_version": "1.11.1-1ubuntu0.1~esm2"
        }
    ]
}

Ubuntu:20.04:LTS / python-asyncssh

Package

Name
python-asyncssh
Purl
pkg:deb/ubuntu/python-asyncssh@1.12.2-1ubuntu0.2?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.12.2-1ubuntu0.2

Affected versions

1.*

1.12.2-1
1.12.2-1ubuntu0.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "python-asyncssh-doc",
            "binary_version": "1.12.2-1ubuntu0.2"
        },
        {
            "binary_name": "python3-asyncssh",
            "binary_version": "1.12.2-1ubuntu0.2"
        }
    ]
}

Ubuntu:22.04:LTS / python-asyncssh

Package

Name
python-asyncssh
Purl
pkg:deb/ubuntu/python-asyncssh@2.5.0-1ubuntu0.1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.5.0-1ubuntu0.1

Affected versions

2.*

2.5.0-1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "python-asyncssh-doc",
            "binary_version": "2.5.0-1ubuntu0.1"
        },
        {
            "binary_name": "python3-asyncssh",
            "binary_version": "2.5.0-1ubuntu0.1"
        }
    ]
}

Ubuntu:24.04:LTS / python-asyncssh

Package

Name
python-asyncssh
Purl
pkg:deb/ubuntu/python-asyncssh@2.10.1-2ubuntu0.1?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.10.1-2
2.10.1-2ubuntu0.1

Ubuntu:Pro:24.04:LTS / python-asyncssh

Package

Name
python-asyncssh
Purl
pkg:deb/ubuntu/python-asyncssh@2.10.1-2ubuntu0.1+esm1?arch=source&distro=esm-apps/noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.10.1-2ubuntu0.1+esm1

Affected versions

2.*

2.10.1-2
2.10.1-2ubuntu0.1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "python-asyncssh-doc",
            "binary_version": "2.10.1-2ubuntu0.1+esm1"
        },
        {
            "binary_name": "python3-asyncssh",
            "binary_version": "2.10.1-2ubuntu0.1+esm1"
        }
    ]
}