USN-5013-1

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Source
https://ubuntu.com/security/notices/USN-5013-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5013-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-5013-1
Upstream
Related
Published
2021-07-20T15:40:24.234019Z
Modified
2025-10-13T04:35:34Z
Summary
systemd vulnerabilities
Details

It was discovered that systemd incorrectly handled certain mount paths. A local attacker could possibly use this issue to cause systemd to crash, resulting in a denial of service. (CVE-2021-33910)

Mitchell Frank discovered that systemd incorrectly handled DHCP FORCERENEW packets. A remote attacker could possibly use this issue to reconfigure servers. (CVE-2020-13529)

References

Affected packages

Ubuntu:18.04:LTS / systemd

Package

Name
systemd
Purl
pkg:deb/ubuntu/systemd@237-3ubuntu10.49?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
237-3ubuntu10.49

Affected versions

Other

234-2ubuntu12
235-2ubuntu3
235-3ubuntu2
235-3ubuntu3
237-3ubuntu3
237-3ubuntu4
237-3ubuntu6
237-3ubuntu7
237-3ubuntu8
237-3ubuntu10

237-3ubuntu10.*

237-3ubuntu10.2
237-3ubuntu10.3
237-3ubuntu10.4
237-3ubuntu10.6
237-3ubuntu10.9
237-3ubuntu10.11
237-3ubuntu10.12
237-3ubuntu10.13
237-3ubuntu10.15
237-3ubuntu10.17
237-3ubuntu10.19
237-3ubuntu10.20
237-3ubuntu10.21
237-3ubuntu10.22
237-3ubuntu10.23
237-3ubuntu10.24
237-3ubuntu10.25
237-3ubuntu10.26
237-3ubuntu10.28
237-3ubuntu10.29
237-3ubuntu10.31
237-3ubuntu10.33
237-3ubuntu10.38
237-3ubuntu10.39
237-3ubuntu10.40
237-3ubuntu10.41
237-3ubuntu10.42
237-3ubuntu10.43
237-3ubuntu10.44
237-3ubuntu10.45
237-3ubuntu10.46
237-3ubuntu10.47
237-3ubuntu10.48

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libnss-myhostname",
            "binary_version": "237-3ubuntu10.49"
        },
        {
            "binary_name": "libnss-mymachines",
            "binary_version": "237-3ubuntu10.49"
        },
        {
            "binary_name": "libnss-resolve",
            "binary_version": "237-3ubuntu10.49"
        },
        {
            "binary_name": "libnss-systemd",
            "binary_version": "237-3ubuntu10.49"
        },
        {
            "binary_name": "libpam-systemd",
            "binary_version": "237-3ubuntu10.49"
        },
        {
            "binary_name": "libsystemd-dev",
            "binary_version": "237-3ubuntu10.49"
        },
        {
            "binary_name": "libsystemd0",
            "binary_version": "237-3ubuntu10.49"
        },
        {
            "binary_name": "libudev-dev",
            "binary_version": "237-3ubuntu10.49"
        },
        {
            "binary_name": "libudev1",
            "binary_version": "237-3ubuntu10.49"
        },
        {
            "binary_name": "systemd",
            "binary_version": "237-3ubuntu10.49"
        },
        {
            "binary_name": "systemd-container",
            "binary_version": "237-3ubuntu10.49"
        },
        {
            "binary_name": "systemd-coredump",
            "binary_version": "237-3ubuntu10.49"
        },
        {
            "binary_name": "systemd-journal-remote",
            "binary_version": "237-3ubuntu10.49"
        },
        {
            "binary_name": "systemd-sysv",
            "binary_version": "237-3ubuntu10.49"
        },
        {
            "binary_name": "systemd-tests",
            "binary_version": "237-3ubuntu10.49"
        },
        {
            "binary_name": "udev",
            "binary_version": "237-3ubuntu10.49"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2020-13529",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "low"
                }
            ]
        },
        {
            "id": "CVE-2021-33910",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "high"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:18.04:LTS"
}

Ubuntu:20.04:LTS / systemd

Package

Name
systemd
Purl
pkg:deb/ubuntu/systemd@245.4-4ubuntu3.10?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
245.4-4ubuntu3.10

Affected versions

Other

242-7ubuntu3
243-2ubuntu1
243-3ubuntu1
244-3ubuntu1

244.*

244.1-0ubuntu2
244.1-0ubuntu3
244.2-1ubuntu1
244.3-1ubuntu1

245.*

245.2-1ubuntu1
245.2-1ubuntu2
245.4-2ubuntu1
245.4-4ubuntu1
245.4-4ubuntu3
245.4-4ubuntu3.1
245.4-4ubuntu3.2
245.4-4ubuntu3.3
245.4-4ubuntu3.4
245.4-4ubuntu3.5
245.4-4ubuntu3.6
245.4-4ubuntu3.7

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libnss-myhostname",
            "binary_version": "245.4-4ubuntu3.10"
        },
        {
            "binary_name": "libnss-mymachines",
            "binary_version": "245.4-4ubuntu3.10"
        },
        {
            "binary_name": "libnss-resolve",
            "binary_version": "245.4-4ubuntu3.10"
        },
        {
            "binary_name": "libnss-systemd",
            "binary_version": "245.4-4ubuntu3.10"
        },
        {
            "binary_name": "libpam-systemd",
            "binary_version": "245.4-4ubuntu3.10"
        },
        {
            "binary_name": "libsystemd-dev",
            "binary_version": "245.4-4ubuntu3.10"
        },
        {
            "binary_name": "libsystemd0",
            "binary_version": "245.4-4ubuntu3.10"
        },
        {
            "binary_name": "libudev-dev",
            "binary_version": "245.4-4ubuntu3.10"
        },
        {
            "binary_name": "libudev1",
            "binary_version": "245.4-4ubuntu3.10"
        },
        {
            "binary_name": "systemd",
            "binary_version": "245.4-4ubuntu3.10"
        },
        {
            "binary_name": "systemd-container",
            "binary_version": "245.4-4ubuntu3.10"
        },
        {
            "binary_name": "systemd-coredump",
            "binary_version": "245.4-4ubuntu3.10"
        },
        {
            "binary_name": "systemd-journal-remote",
            "binary_version": "245.4-4ubuntu3.10"
        },
        {
            "binary_name": "systemd-sysv",
            "binary_version": "245.4-4ubuntu3.10"
        },
        {
            "binary_name": "systemd-tests",
            "binary_version": "245.4-4ubuntu3.10"
        },
        {
            "binary_name": "systemd-timesyncd",
            "binary_version": "245.4-4ubuntu3.10"
        },
        {
            "binary_name": "udev",
            "binary_version": "245.4-4ubuntu3.10"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2020-13529",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "low"
                }
            ]
        },
        {
            "id": "CVE-2021-33910",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "high"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:20.04:LTS"
}