USN-3938-1

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Source
https://ubuntu.com/security/notices/USN-3938-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3938-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-3938-1
Upstream
Related
Published
2019-04-08T19:26:16.126288Z
Modified
2025-10-13T04:34:49Z
Summary
systemd vulnerability
Details

Jann Horn discovered that pam_systemd created logind sessions using some parameters from the environment. A local attacker could exploit this in order to spoof the active session and gain additional PolicyKit privileges.

References

Affected packages

Ubuntu:14.04:LTS / systemd

Package

Name
systemd
Purl
pkg:deb/ubuntu/systemd@204-5ubuntu20.31?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
204-5ubuntu20.31

Affected versions

Other

204-0ubuntu18
204-0ubuntu19
204-5ubuntu3
204-5ubuntu5
204-5ubuntu6
204-5ubuntu7
204-5ubuntu8
204-5ubuntu9
204-5ubuntu10
204-5ubuntu11
204-5ubuntu13
204-5ubuntu14
204-5ubuntu15
204-5ubuntu16
204-5ubuntu17
204-5ubuntu18
204-5ubuntu19
204-5ubuntu20

204-5ubuntu20.*

204-5ubuntu20.2
204-5ubuntu20.3
204-5ubuntu20.4
204-5ubuntu20.5
204-5ubuntu20.6
204-5ubuntu20.7
204-5ubuntu20.8
204-5ubuntu20.9
204-5ubuntu20.10
204-5ubuntu20.11
204-5ubuntu20.12
204-5ubuntu20.13
204-5ubuntu20.14
204-5ubuntu20.15
204-5ubuntu20.18
204-5ubuntu20.19
204-5ubuntu20.20
204-5ubuntu20.21
204-5ubuntu20.22
204-5ubuntu20.24
204-5ubuntu20.25
204-5ubuntu20.26
204-5ubuntu20.28
204-5ubuntu20.29

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "gir1.2-gudev-1.0",
            "binary_version": "1:204-5ubuntu20.31"
        },
        {
            "binary_name": "libgudev-1.0-0",
            "binary_version": "1:204-5ubuntu20.31"
        },
        {
            "binary_name": "libgudev-1.0-dev",
            "binary_version": "1:204-5ubuntu20.31"
        },
        {
            "binary_name": "libpam-systemd",
            "binary_version": "204-5ubuntu20.31"
        },
        {
            "binary_name": "libsystemd-daemon-dev",
            "binary_version": "204-5ubuntu20.31"
        },
        {
            "binary_name": "libsystemd-daemon0",
            "binary_version": "204-5ubuntu20.31"
        },
        {
            "binary_name": "libsystemd-id128-0",
            "binary_version": "204-5ubuntu20.31"
        },
        {
            "binary_name": "libsystemd-id128-dev",
            "binary_version": "204-5ubuntu20.31"
        },
        {
            "binary_name": "libsystemd-journal-dev",
            "binary_version": "204-5ubuntu20.31"
        },
        {
            "binary_name": "libsystemd-journal0",
            "binary_version": "204-5ubuntu20.31"
        },
        {
            "binary_name": "libsystemd-login-dev",
            "binary_version": "204-5ubuntu20.31"
        },
        {
            "binary_name": "libsystemd-login0",
            "binary_version": "204-5ubuntu20.31"
        },
        {
            "binary_name": "libudev-dev",
            "binary_version": "204-5ubuntu20.31"
        },
        {
            "binary_name": "libudev1",
            "binary_version": "204-5ubuntu20.31"
        },
        {
            "binary_name": "python-systemd",
            "binary_version": "204-5ubuntu20.31"
        },
        {
            "binary_name": "systemd",
            "binary_version": "204-5ubuntu20.31"
        },
        {
            "binary_name": "systemd-services",
            "binary_version": "204-5ubuntu20.31"
        },
        {
            "binary_name": "udev",
            "binary_version": "204-5ubuntu20.31"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2019-3842",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:14.04:LTS"
}

Ubuntu:16.04:LTS / systemd

Package

Name
systemd
Purl
pkg:deb/ubuntu/systemd@229-4ubuntu21.21?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
229-4ubuntu21.21

Affected versions

Other

225-1ubuntu9
227-2ubuntu1
227-2ubuntu2
228-1ubuntu2
228-2ubuntu1
228-2ubuntu2
228-3ubuntu1
228-4ubuntu1
228-4ubuntu2
228-5ubuntu1
228-5ubuntu2
228-5ubuntu3
228-6ubuntu1
229-1ubuntu2
229-1ubuntu4
229-2ubuntu1
229-3ubuntu1
229-3ubuntu2
229-4ubuntu1
229-4ubuntu4
229-4ubuntu5
229-4ubuntu6
229-4ubuntu7
229-4ubuntu8
229-4ubuntu10
229-4ubuntu11
229-4ubuntu12
229-4ubuntu13
229-4ubuntu16
229-4ubuntu17
229-4ubuntu19
229-4ubuntu20
229-4ubuntu21

229-4ubuntu21.*

229-4ubuntu21.1
229-4ubuntu21.2
229-4ubuntu21.3
229-4ubuntu21.4
229-4ubuntu21.5
229-4ubuntu21.6
229-4ubuntu21.8
229-4ubuntu21.9
229-4ubuntu21.10
229-4ubuntu21.15
229-4ubuntu21.16
229-4ubuntu21.17
229-4ubuntu21.19

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libnss-myhostname",
            "binary_version": "229-4ubuntu21.21"
        },
        {
            "binary_name": "libnss-mymachines",
            "binary_version": "229-4ubuntu21.21"
        },
        {
            "binary_name": "libnss-resolve",
            "binary_version": "229-4ubuntu21.21"
        },
        {
            "binary_name": "libpam-systemd",
            "binary_version": "229-4ubuntu21.21"
        },
        {
            "binary_name": "libsystemd-dev",
            "binary_version": "229-4ubuntu21.21"
        },
        {
            "binary_name": "libsystemd0",
            "binary_version": "229-4ubuntu21.21"
        },
        {
            "binary_name": "libudev-dev",
            "binary_version": "229-4ubuntu21.21"
        },
        {
            "binary_name": "libudev1",
            "binary_version": "229-4ubuntu21.21"
        },
        {
            "binary_name": "systemd",
            "binary_version": "229-4ubuntu21.21"
        },
        {
            "binary_name": "systemd-container",
            "binary_version": "229-4ubuntu21.21"
        },
        {
            "binary_name": "systemd-coredump",
            "binary_version": "229-4ubuntu21.21"
        },
        {
            "binary_name": "systemd-journal-remote",
            "binary_version": "229-4ubuntu21.21"
        },
        {
            "binary_name": "systemd-sysv",
            "binary_version": "229-4ubuntu21.21"
        },
        {
            "binary_name": "udev",
            "binary_version": "229-4ubuntu21.21"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2019-3842",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:16.04:LTS"
}

Ubuntu:18.04:LTS / systemd

Package

Name
systemd
Purl
pkg:deb/ubuntu/systemd@237-3ubuntu10.19?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
237-3ubuntu10.19

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

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libnss-myhostname",
            "binary_version": "237-3ubuntu10.19"
        },
        {
            "binary_name": "libnss-mymachines",
            "binary_version": "237-3ubuntu10.19"
        },
        {
            "binary_name": "libnss-resolve",
            "binary_version": "237-3ubuntu10.19"
        },
        {
            "binary_name": "libnss-systemd",
            "binary_version": "237-3ubuntu10.19"
        },
        {
            "binary_name": "libpam-systemd",
            "binary_version": "237-3ubuntu10.19"
        },
        {
            "binary_name": "libsystemd-dev",
            "binary_version": "237-3ubuntu10.19"
        },
        {
            "binary_name": "libsystemd0",
            "binary_version": "237-3ubuntu10.19"
        },
        {
            "binary_name": "libudev-dev",
            "binary_version": "237-3ubuntu10.19"
        },
        {
            "binary_name": "libudev1",
            "binary_version": "237-3ubuntu10.19"
        },
        {
            "binary_name": "systemd",
            "binary_version": "237-3ubuntu10.19"
        },
        {
            "binary_name": "systemd-container",
            "binary_version": "237-3ubuntu10.19"
        },
        {
            "binary_name": "systemd-coredump",
            "binary_version": "237-3ubuntu10.19"
        },
        {
            "binary_name": "systemd-journal-remote",
            "binary_version": "237-3ubuntu10.19"
        },
        {
            "binary_name": "systemd-sysv",
            "binary_version": "237-3ubuntu10.19"
        },
        {
            "binary_name": "systemd-tests",
            "binary_version": "237-3ubuntu10.19"
        },
        {
            "binary_name": "udev",
            "binary_version": "237-3ubuntu10.19"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2019-3842",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:18.04:LTS"
}