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
2023-11-02T10:20:42Z
Modified
2026-06-29T13:49:30Z
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?arch=source&distro=trusty%2Fesm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown 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 

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

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?arch=source&distro=esm-apps%2Fxenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown 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 

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

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?arch=source&distro=esm-apps%2Fbionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown 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 

{
    "availability":  "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "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"
        }
    ]
}

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?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown 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 

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

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"