UBUNTU-CVE-2020-25721

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Source

https://ubuntu.com/security/CVE-2020-25721

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-25721.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-25721

Related

Published

2021-11-09T00:00:00Z

Modified

2025-07-01T04:58:34Z

Severity

8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator

Summary

[none]

Details

Kerberos acceptors need easy access to stable AD identifiers (eg objectSid). Samba as an AD DC now provides a way for Linux applications to obtain a reliable SID (and samAccountName) in issued tickets.

References

Affected packages

Ubuntu:Pro:14.04:LTS / samba

Package

Name: samba
Purl: pkg:deb/ubuntu/samba@2:4.3.11+dfsg-0ubuntu0.14.04.20+esm14?arch=source&distro=esm-infra-legacy/trusty

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

2:3.*

2:3.6.18-1ubuntu3

2:4.*

2:4.0.10+dfsg-4ubuntu2

2:4.0.13+dfsg-1ubuntu1

2:4.1.3+dfsg-2ubuntu2

2:4.1.3+dfsg-2ubuntu3

2:4.1.3+dfsg-2ubuntu4

2:4.1.3+dfsg-2ubuntu5

2:4.1.6+dfsg-1ubuntu1

2:4.1.6+dfsg-1ubuntu2

2:4.1.6+dfsg-1ubuntu2.14.04.1

2:4.1.6+dfsg-1ubuntu2.14.04.2

2:4.1.6+dfsg-1ubuntu2.14.04.3

2:4.1.6+dfsg-1ubuntu2.14.04.4

2:4.1.6+dfsg-1ubuntu2.14.04.5

2:4.1.6+dfsg-1ubuntu2.14.04.7

2:4.1.6+dfsg-1ubuntu2.14.04.8

2:4.1.6+dfsg-1ubuntu2.14.04.9

2:4.1.6+dfsg-1ubuntu2.14.04.11

2:4.1.6+dfsg-1ubuntu2.14.04.12

2:4.1.6+dfsg-1ubuntu2.14.04.13

2:4.3.8+dfsg-0ubuntu0.14.04.2

2:4.3.9+dfsg-0ubuntu0.14.04.1

2:4.3.9+dfsg-0ubuntu0.14.04.3

2:4.3.11+dfsg-0ubuntu0.14.04.1

2:4.3.11+dfsg-0ubuntu0.14.04.2

2:4.3.11+dfsg-0ubuntu0.14.04.3

2:4.3.11+dfsg-0ubuntu0.14.04.4

2:4.3.11+dfsg-0ubuntu0.14.04.6

2:4.3.11+dfsg-0ubuntu0.14.04.7

2:4.3.11+dfsg-0ubuntu0.14.04.8

2:4.3.11+dfsg-0ubuntu0.14.04.9

2:4.3.11+dfsg-0ubuntu0.14.04.10

2:4.3.11+dfsg-0ubuntu0.14.04.11

2:4.3.11+dfsg-0ubuntu0.14.04.12

2:4.3.11+dfsg-0ubuntu0.14.04.13

2:4.3.11+dfsg-0ubuntu0.14.04.14

2:4.3.11+dfsg-0ubuntu0.14.04.16

2:4.3.11+dfsg-0ubuntu0.14.04.17

2:4.3.11+dfsg-0ubuntu0.14.04.19

2:4.3.11+dfsg-0ubuntu0.14.04.20

2:4.3.11+dfsg-0ubuntu0.14.04.20+esm2

2:4.3.11+dfsg-0ubuntu0.14.04.20+esm3

2:4.3.11+dfsg-0ubuntu0.14.04.20+esm4

2:4.3.11+dfsg-0ubuntu0.14.04.20+esm6

2:4.3.11+dfsg-0ubuntu0.14.04.20+esm7

2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8

2:4.3.11+dfsg-0ubuntu0.14.04.20+esm9

2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11

2:4.3.11+dfsg-0ubuntu0.14.04.20+esm12

2:4.3.11+dfsg-0ubuntu0.14.04.20+esm13

2:4.3.11+dfsg-0ubuntu0.14.04.20+esm14

Ecosystem specific

{
    "ubuntu_priority": "medium"
}

Ubuntu:Pro:16.04:LTS / samba

Package

Name: samba
Purl: pkg:deb/ubuntu/samba@2:4.3.11+dfsg-0ubuntu0.16.04.34+esm3?arch=source&distro=esm-infra/xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

2:4.*

2:4.1.17+dfsg-4ubuntu2

2:4.1.20+dfsg-1ubuntu1

2:4.1.20+dfsg-1ubuntu2

2:4.1.20+dfsg-1ubuntu3

2:4.1.20+dfsg-1ubuntu5

2:4.3.3+dfsg-1ubuntu1

2:4.3.3+dfsg-1ubuntu2

2:4.3.3+dfsg-1ubuntu3

2:4.3.6+dfsg-1ubuntu1

2:4.3.8+dfsg-0ubuntu1

2:4.3.9+dfsg-0ubuntu0.16.04.1

2:4.3.9+dfsg-0ubuntu0.16.04.2

2:4.3.9+dfsg-0ubuntu0.16.04.3

2:4.3.11+dfsg-0ubuntu0.16.04.1

2:4.3.11+dfsg-0ubuntu0.16.04.3

2:4.3.11+dfsg-0ubuntu0.16.04.5

2:4.3.11+dfsg-0ubuntu0.16.04.6

2:4.3.11+dfsg-0ubuntu0.16.04.7

2:4.3.11+dfsg-0ubuntu0.16.04.8

2:4.3.11+dfsg-0ubuntu0.16.04.9

2:4.3.11+dfsg-0ubuntu0.16.04.10

2:4.3.11+dfsg-0ubuntu0.16.04.11

2:4.3.11+dfsg-0ubuntu0.16.04.12

2:4.3.11+dfsg-0ubuntu0.16.04.13

2:4.3.11+dfsg-0ubuntu0.16.04.15

2:4.3.11+dfsg-0ubuntu0.16.04.16

2:4.3.11+dfsg-0ubuntu0.16.04.17

2:4.3.11+dfsg-0ubuntu0.16.04.18

2:4.3.11+dfsg-0ubuntu0.16.04.19

2:4.3.11+dfsg-0ubuntu0.16.04.20

2:4.3.11+dfsg-0ubuntu0.16.04.21

2:4.3.11+dfsg-0ubuntu0.16.04.23

2:4.3.11+dfsg-0ubuntu0.16.04.24

2:4.3.11+dfsg-0ubuntu0.16.04.25

2:4.3.11+dfsg-0ubuntu0.16.04.26

2:4.3.11+dfsg-0ubuntu0.16.04.27

2:4.3.11+dfsg-0ubuntu0.16.04.28

2:4.3.11+dfsg-0ubuntu0.16.04.29

2:4.3.11+dfsg-0ubuntu0.16.04.30

2:4.3.11+dfsg-0ubuntu0.16.04.31

2:4.3.11+dfsg-0ubuntu0.16.04.32

2:4.3.11+dfsg-0ubuntu0.16.04.34

2:4.3.11+dfsg-0ubuntu0.16.04.34+esm1

2:4.3.11+dfsg-0ubuntu0.16.04.34+esm2

2:4.3.11+dfsg-0ubuntu0.16.04.34+esm3

Ecosystem specific

{
    "ubuntu_priority": "medium"
}

Ubuntu:Pro:18.04:LTS / samba

Package

Name: samba
Purl: pkg:deb/ubuntu/samba@2:4.7.6+dfsg~ubuntu-0ubuntu2.29+esm2?arch=source&distro=esm-infra/bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

2:4.*

2:4.6.7+dfsg-1ubuntu3

2:4.7.1+dfsg-1ubuntu1

2:4.7.3+dfsg-1ubuntu1

2:4.7.4+dfsg-1ubuntu1

2:4.7.6+dfsg~ubuntu-0ubuntu1

2:4.7.6+dfsg~ubuntu-0ubuntu2

2:4.7.6+dfsg~ubuntu-0ubuntu2.2

2:4.7.6+dfsg~ubuntu-0ubuntu2.4

2:4.7.6+dfsg~ubuntu-0ubuntu2.5

2:4.7.6+dfsg~ubuntu-0ubuntu2.6

2:4.7.6+dfsg~ubuntu-0ubuntu2.7

2:4.7.6+dfsg~ubuntu-0ubuntu2.9

2:4.7.6+dfsg~ubuntu-0ubuntu2.10

2:4.7.6+dfsg~ubuntu-0ubuntu2.11

2:4.7.6+dfsg~ubuntu-0ubuntu2.13

2:4.7.6+dfsg~ubuntu-0ubuntu2.14

2:4.7.6+dfsg~ubuntu-0ubuntu2.15

2:4.7.6+dfsg~ubuntu-0ubuntu2.16

2:4.7.6+dfsg~ubuntu-0ubuntu2.17

2:4.7.6+dfsg~ubuntu-0ubuntu2.18

2:4.7.6+dfsg~ubuntu-0ubuntu2.19

2:4.7.6+dfsg~ubuntu-0ubuntu2.20

2:4.7.6+dfsg~ubuntu-0ubuntu2.21

2:4.7.6+dfsg~ubuntu-0ubuntu2.23

2:4.7.6+dfsg~ubuntu-0ubuntu2.24

2:4.7.6+dfsg~ubuntu-0ubuntu2.26

2:4.7.6+dfsg~ubuntu-0ubuntu2.27

2:4.7.6+dfsg~ubuntu-0ubuntu2.28

2:4.7.6+dfsg~ubuntu-0ubuntu2.29

2:4.7.6+dfsg~ubuntu-0ubuntu2.29+esm1

2:4.7.6+dfsg~ubuntu-0ubuntu2.29+esm2

Ecosystem specific

{
    "ubuntu_priority": "medium"
}

Ubuntu:20.04:LTS / samba

Package

Name: samba
Purl: pkg:deb/ubuntu/samba@2:4.13.14+dfsg-0ubuntu0.20.04.1?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2:4.13.14+dfsg-0ubuntu0.20.04.1

Affected versions

2:4.*

2:4.10.7+dfsg-0ubuntu2

2:4.10.7+dfsg-0ubuntu3

2:4.11.1+dfsg-3ubuntu1

2:4.11.1+dfsg-3ubuntu2

2:4.11.1+dfsg-3ubuntu4

2:4.11.5+dfsg-1ubuntu1

2:4.11.5+dfsg-1ubuntu2

2:4.11.6+dfsg-0ubuntu1

2:4.11.6+dfsg-0ubuntu1.1

2:4.11.6+dfsg-0ubuntu1.2

2:4.11.6+dfsg-0ubuntu1.3

2:4.11.6+dfsg-0ubuntu1.4

2:4.11.6+dfsg-0ubuntu1.5

2:4.11.6+dfsg-0ubuntu1.6

2:4.11.6+dfsg-0ubuntu1.8

2:4.11.6+dfsg-0ubuntu1.9

2:4.11.6+dfsg-0ubuntu1.10

Ecosystem specific

{
    "availability": "No subscription required",
    "ubuntu_priority": "medium",
    "binaries": [
        {
            "binary_name": "ctdb",
            "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "ctdb-dbgsym",
            "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "libnss-winbind",
            "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "libnss-winbind-dbgsym",
            "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "libpam-winbind",
            "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "libpam-winbind-dbgsym",
            "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "libsmbclient",
            "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "libsmbclient-dbgsym",
            "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "libsmbclient-dev",
            "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "libwbclient-dev",
            "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "libwbclient0",
            "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "libwbclient0-dbgsym",
            "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "python3-samba",
            "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "python3-samba-dbgsym",
            "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "registry-tools",
            "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "registry-tools-dbgsym",
            "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "samba",
            "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "samba-common",
            "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "samba-common-bin",
            "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "samba-common-bin-dbgsym",
            "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "samba-dbgsym",
            "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "samba-dev",
            "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "samba-dsdb-modules",
            "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "samba-dsdb-modules-dbgsym",
            "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "samba-libs",
            "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "samba-libs-dbgsym",
            "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "samba-testsuite",
            "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "samba-testsuite-dbgsym",
            "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "samba-vfs-modules",
            "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "samba-vfs-modules-dbgsym",
            "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "smbclient",
            "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "smbclient-dbgsym",
            "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "winbind",
            "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "winbind-dbgsym",
            "binary_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1"
        }
    ]
}

Ubuntu:22.04:LTS / samba

Package

Name: samba
Purl: pkg:deb/ubuntu/samba@2:4.13.14+dfsg-0ubuntu1?arch=source&distro=jammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2:4.13.14+dfsg-0ubuntu1

Affected versions

2:4.*

2:4.13.5+dfsg-2ubuntu2

2:4.13.5+dfsg-2ubuntu3

Ecosystem specific

{
    "availability": "No subscription required",
    "ubuntu_priority": "medium",
    "binaries": [
        {
            "binary_name": "ctdb",
            "binary_version": "2:4.13.14+dfsg-0ubuntu1"
        },
        {
            "binary_name": "ctdb-dbgsym",
            "binary_version": "2:4.13.14+dfsg-0ubuntu1"
        },
        {
            "binary_name": "libnss-winbind",
            "binary_version": "2:4.13.14+dfsg-0ubuntu1"
        },
        {
            "binary_name": "libnss-winbind-dbgsym",
            "binary_version": "2:4.13.14+dfsg-0ubuntu1"
        },
        {
            "binary_name": "libpam-winbind",
            "binary_version": "2:4.13.14+dfsg-0ubuntu1"
        },
        {
            "binary_name": "libpam-winbind-dbgsym",
            "binary_version": "2:4.13.14+dfsg-0ubuntu1"
        },
        {
            "binary_name": "libsmbclient",
            "binary_version": "2:4.13.14+dfsg-0ubuntu1"
        },
        {
            "binary_name": "libsmbclient-dbgsym",
            "binary_version": "2:4.13.14+dfsg-0ubuntu1"
        },
        {
            "binary_name": "libsmbclient-dev",
            "binary_version": "2:4.13.14+dfsg-0ubuntu1"
        },
        {
            "binary_name": "libwbclient-dev",
            "binary_version": "2:4.13.14+dfsg-0ubuntu1"
        },
        {
            "binary_name": "libwbclient0",
            "binary_version": "2:4.13.14+dfsg-0ubuntu1"
        },
        {
            "binary_name": "libwbclient0-dbgsym",
            "binary_version": "2:4.13.14+dfsg-0ubuntu1"
        },
        {
            "binary_name": "python3-samba",
            "binary_version": "2:4.13.14+dfsg-0ubuntu1"
        },
        {
            "binary_name": "python3-samba-dbgsym",
            "binary_version": "2:4.13.14+dfsg-0ubuntu1"
        },
        {
            "binary_name": "registry-tools",
            "binary_version": "2:4.13.14+dfsg-0ubuntu1"
        },
        {
            "binary_name": "registry-tools-dbgsym",
            "binary_version": "2:4.13.14+dfsg-0ubuntu1"
        },
        {
            "binary_name": "samba",
            "binary_version": "2:4.13.14+dfsg-0ubuntu1"
        },
        {
            "binary_name": "samba-common",
            "binary_version": "2:4.13.14+dfsg-0ubuntu1"
        },
        {
            "binary_name": "samba-common-bin",
            "binary_version": "2:4.13.14+dfsg-0ubuntu1"
        },
        {
            "binary_name": "samba-common-bin-dbgsym",
            "binary_version": "2:4.13.14+dfsg-0ubuntu1"
        },
        {
            "binary_name": "samba-dbgsym",
            "binary_version": "2:4.13.14+dfsg-0ubuntu1"
        },
        {
            "binary_name": "samba-dev",
            "binary_version": "2:4.13.14+dfsg-0ubuntu1"
        },
        {
            "binary_name": "samba-dsdb-modules",
            "binary_version": "2:4.13.14+dfsg-0ubuntu1"
        },
        {
            "binary_name": "samba-dsdb-modules-dbgsym",
            "binary_version": "2:4.13.14+dfsg-0ubuntu1"
        },
        {
            "binary_name": "samba-libs",
            "binary_version": "2:4.13.14+dfsg-0ubuntu1"
        },
        {
            "binary_name": "samba-libs-dbgsym",
            "binary_version": "2:4.13.14+dfsg-0ubuntu1"
        },
        {
            "binary_name": "samba-testsuite",
            "binary_version": "2:4.13.14+dfsg-0ubuntu1"
        },
        {
            "binary_name": "samba-testsuite-dbgsym",
            "binary_version": "2:4.13.14+dfsg-0ubuntu1"
        },
        {
            "binary_name": "samba-vfs-modules",
            "binary_version": "2:4.13.14+dfsg-0ubuntu1"
        },
        {
            "binary_name": "samba-vfs-modules-dbgsym",
            "binary_version": "2:4.13.14+dfsg-0ubuntu1"
        },
        {
            "binary_name": "smbclient",
            "binary_version": "2:4.13.14+dfsg-0ubuntu1"
        },
        {
            "binary_name": "smbclient-dbgsym",
            "binary_version": "2:4.13.14+dfsg-0ubuntu1"
        },
        {
            "binary_name": "winbind",
            "binary_version": "2:4.13.14+dfsg-0ubuntu1"
        },
        {
            "binary_name": "winbind-dbgsym",
            "binary_version": "2:4.13.14+dfsg-0ubuntu1"
        }
    ]
}