USN-4481-1
- Source
- https://ubuntu.com/security/notices/USN-4481-1
- Import Source
- https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4481-1.json
- JSON Data
- https://api.osv.dev/v1/vulns/USN-4481-1
- Upstream
- Related
- Published
- 2020-09-01T13:04:22.399377Z
- Modified
- 2025-10-13T04:35:12Z
- Summary
- freerdp2 vulnerabilities
- Details
-
It was discovered that FreeRDP incorrectly handled certain memory operations. A remote attacker could use this issue to cause FreeRDP to crash, resulting in a denial of service, or possibly execute arbitrary code.
- References
-
- https://ubuntu.com/security/notices/USN-4481-1
- https://ubuntu.com/security/CVE-2020-4030
- https://ubuntu.com/security/CVE-2020-4031
- https://ubuntu.com/security/CVE-2020-4032
- https://ubuntu.com/security/CVE-2020-4033
- https://ubuntu.com/security/CVE-2020-11095
- https://ubuntu.com/security/CVE-2020-11096
- https://ubuntu.com/security/CVE-2020-11097
- https://ubuntu.com/security/CVE-2020-11098
- https://ubuntu.com/security/CVE-2020-11099
- https://ubuntu.com/security/CVE-2020-15103
Affected packages
Ubuntu:18.04:LTS / freerdp2
Package
- Name
- freerdp2
- Purl
- pkg:deb/ubuntu/freerdp2@2.2.0+dfsg1-0ubuntu0.18.04.1?arch=source&distro=bionic
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed2.2.0+dfsg1-0ubuntu0.18.04.1
Affected versions
2.*
2.0.0~git20170725.1.1648deb+dfsg1-1
2.0.0~git20170725.1.1648deb+dfsg1-5
2.0.0~git20170725.1.1648deb+dfsg1-5ubuntu1
2.0.0~git20170725.1.1648deb+dfsg1-5ubuntu2
2.0.0~git20170725.1.1648deb+dfsg1-6
2.0.0~git20170725.1.1648deb+dfsg1-6build1
2.0.0~git20170725.1.1648deb+dfsg1-7
2.0.0~git20170725.1.1648deb+dfsg1-7ubuntu0.1
2.1.1+dfsg1-0ubuntu0.18.04.1
Ecosystem specific
{
"binaries": [
{
"binary_version": "2.2.0+dfsg1-0ubuntu0.18.04.1",
"binary_name": "freerdp2-dev"
},
{
"binary_version": "2.2.0+dfsg1-0ubuntu0.18.04.1",
"binary_name": "freerdp2-shadow-x11"
},
{
"binary_version": "2.2.0+dfsg1-0ubuntu0.18.04.1",
"binary_name": "freerdp2-wayland"
},
{
"binary_version": "2.2.0+dfsg1-0ubuntu0.18.04.1",
"binary_name": "freerdp2-x11"
},
{
"binary_version": "2.2.0+dfsg1-0ubuntu0.18.04.1",
"binary_name": "libfreerdp-client2-2"
},
{
"binary_version": "2.2.0+dfsg1-0ubuntu0.18.04.1",
"binary_name": "libfreerdp-server2-2"
},
{
"binary_version": "2.2.0+dfsg1-0ubuntu0.18.04.1",
"binary_name": "libfreerdp-shadow-subsystem2-2"
},
{
"binary_version": "2.2.0+dfsg1-0ubuntu0.18.04.1",
"binary_name": "libfreerdp-shadow2-2"
},
{
"binary_version": "2.2.0+dfsg1-0ubuntu0.18.04.1",
"binary_name": "libfreerdp2-2"
},
{
"binary_version": "2.2.0+dfsg1-0ubuntu0.18.04.1",
"binary_name": "libuwac0-0"
},
{
"binary_version": "2.2.0+dfsg1-0ubuntu0.18.04.1",
"binary_name": "libuwac0-dev"
},
{
"binary_version": "2.2.0+dfsg1-0ubuntu0.18.04.1",
"binary_name": "libwinpr-tools2-2"
},
{
"binary_version": "2.2.0+dfsg1-0ubuntu0.18.04.1",
"binary_name": "libwinpr2-2"
},
{
"binary_version": "2.2.0+dfsg1-0ubuntu0.18.04.1",
"binary_name": "libwinpr2-dev"
},
{
"binary_version": "2.2.0+dfsg1-0ubuntu0.18.04.1",
"binary_name": "winpr-utils"
}
],
"availability": "No subscription required"
}
Database specific
{
"cves_map": {
"cves": [
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"id": "CVE-2020-4030"
},
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"id": "CVE-2020-4031"
},
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"id": "CVE-2020-4032"
},
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
],
"id": "CVE-2020-4033"
},
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"id": "CVE-2020-11095"
},
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"id": "CVE-2020-11096"
},
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"id": "CVE-2020-11097"
},
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"id": "CVE-2020-11098"
},
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"id": "CVE-2020-11099"
},
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"id": "CVE-2020-15103"
}
],
"ecosystem": "Ubuntu:18.04:LTS"
}
}
Ubuntu:20.04:LTS / freerdp2
Package
- Name
- freerdp2
- Purl
- pkg:deb/ubuntu/freerdp2@2.2.0+dfsg1-0ubuntu0.20.04.1?arch=source&distro=focal
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed2.2.0+dfsg1-0ubuntu0.20.04.1
Affected versions
2.*
2.0.0~git20190204.1.2693389a+dfsg1-1
2.0.0~git20190204.1.2693389a+dfsg1-2
2.0.0~git20190204.1.2693389a+dfsg1-2build1
2.0.0~git20190204.1.2693389a+dfsg1-2build2
2.1.1+dfsg1-0ubuntu0.20.04.1
Ecosystem specific
{
"binaries": [
{
"binary_version": "2.2.0+dfsg1-0ubuntu0.20.04.1",
"binary_name": "freerdp2-dev"
},
{
"binary_version": "2.2.0+dfsg1-0ubuntu0.20.04.1",
"binary_name": "freerdp2-shadow-x11"
},
{
"binary_version": "2.2.0+dfsg1-0ubuntu0.20.04.1",
"binary_name": "freerdp2-wayland"
},
{
"binary_version": "2.2.0+dfsg1-0ubuntu0.20.04.1",
"binary_name": "freerdp2-x11"
},
{
"binary_version": "2.2.0+dfsg1-0ubuntu0.20.04.1",
"binary_name": "libfreerdp-client2-2"
},
{
"binary_version": "2.2.0+dfsg1-0ubuntu0.20.04.1",
"binary_name": "libfreerdp-server2-2"
},
{
"binary_version": "2.2.0+dfsg1-0ubuntu0.20.04.1",
"binary_name": "libfreerdp-shadow-subsystem2-2"
},
{
"binary_version": "2.2.0+dfsg1-0ubuntu0.20.04.1",
"binary_name": "libfreerdp-shadow2-2"
},
{
"binary_version": "2.2.0+dfsg1-0ubuntu0.20.04.1",
"binary_name": "libfreerdp2-2"
},
{
"binary_version": "2.2.0+dfsg1-0ubuntu0.20.04.1",
"binary_name": "libuwac0-0"
},
{
"binary_version": "2.2.0+dfsg1-0ubuntu0.20.04.1",
"binary_name": "libuwac0-dev"
},
{
"binary_version": "2.2.0+dfsg1-0ubuntu0.20.04.1",
"binary_name": "libwinpr-tools2-2"
},
{
"binary_version": "2.2.0+dfsg1-0ubuntu0.20.04.1",
"binary_name": "libwinpr2-2"
},
{
"binary_version": "2.2.0+dfsg1-0ubuntu0.20.04.1",
"binary_name": "libwinpr2-dev"
},
{
"binary_version": "2.2.0+dfsg1-0ubuntu0.20.04.1",
"binary_name": "winpr-utils"
}
],
"availability": "No subscription required"
}
Database specific
{
"cves_map": {
"cves": [
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"id": "CVE-2020-4030"
},
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"id": "CVE-2020-4031"
},
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"id": "CVE-2020-4032"
},
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
],
"id": "CVE-2020-4033"
},
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"id": "CVE-2020-11095"
},
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"id": "CVE-2020-11096"
},
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"id": "CVE-2020-11097"
},
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"id": "CVE-2020-11098"
},
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"id": "CVE-2020-11099"
},
{
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"id": "CVE-2020-15103"
}
],
"ecosystem": "Ubuntu:20.04:LTS"
}
}