USN-6469-1

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Source
https://ubuntu.com/security/notices/USN-6469-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6469-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-6469-1
Upstream
Related
Published
2023-11-02T10:20:42.448439Z
Modified
2025-10-13T04:36:41Z
Summary
xrdp vulnerability
Details

Ashley Newson discovered that xrdp incorrectly handled memory when processing certain incoming connections. An attacker could possibly use this issue to cause a denial of service or arbitrary code execution.

References

Affected packages

Ubuntu:Pro:14.04:LTS / xrdp

Package

Name
xrdp
Purl
pkg:deb/ubuntu/xrdp@0.6.0-1ubuntu0.1+esm2?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.6.0-1ubuntu0.1+esm2

Affected versions

0.*

0.6.0-1
0.6.0-1ubuntu0.1
0.6.0-1ubuntu0.1+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "xrdp",
            "binary_version": "0.6.0-1ubuntu0.1+esm2"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2020-4044",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:14.04:LTS"
}

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6469-1.json"

Ubuntu:Pro:16.04:LTS / xrdp

Package

Name
xrdp
Purl
pkg:deb/ubuntu/xrdp@0.6.1-2ubuntu0.3+esm2?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.6.1-2ubuntu0.3+esm2

Affected versions

0.*

0.6.1-2
0.6.1-2ubuntu0.1
0.6.1-2ubuntu0.3
0.6.1-2ubuntu0.3+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "xrdp",
            "binary_version": "0.6.1-2ubuntu0.3+esm2"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2020-4044",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:16.04:LTS"
}

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6469-1.json"

Ubuntu:Pro:18.04:LTS / xrdp

Package

Name
xrdp
Purl
pkg:deb/ubuntu/xrdp@0.9.5-2ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.9.5-2ubuntu0.1~esm1

Affected versions

0.*

0.9.1-9
0.9.4-1
0.9.4-2
0.9.4-3
0.9.4-4
0.9.4-5
0.9.5-1
0.9.5-1build1
0.9.5-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "xorgxrdp",
            "binary_version": "0.9.5-2ubuntu0.1~esm1"
        },
        {
            "binary_name": "xrdp",
            "binary_version": "0.9.5-2ubuntu0.1~esm1"
        },
        {
            "binary_name": "xrdp-pulseaudio-installer",
            "binary_version": "0.9.5-2ubuntu0.1~esm1"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2020-4044",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:18.04:LTS"
}

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6469-1.json"

Ubuntu:20.04:LTS / xrdp

Package

Name
xrdp
Purl
pkg:deb/ubuntu/xrdp@0.9.12-1ubuntu0.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.9.12-1ubuntu0.1

Affected versions

0.*

0.9.9-1
0.9.12-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "xrdp",
            "binary_version": "0.9.12-1ubuntu0.1"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2020-4044",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:20.04:LTS"
}

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6469-1.json"