UBUNTU-CVE-2021-23192

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Source

https://ubuntu.com/security/CVE-2021-23192

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-23192.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-23192

Related

Published

2021-11-09T00:00:00Z

Modified

2021-11-09T00:00:00Z

Severity

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

Summary

[none]

Details

A flaw was found in the way samba implemented DCE/RPC. If a client to a Samba server sent a very large DCE/RPC request, and chose to fragment it, an attacker could replace later fragments with their own data, bypassing the signature requirements.

References

Affected packages

Ubuntu:18.04:LTS / samba

Package

Name: samba
Purl: pkg:deb/ubuntu/samba?arch=src?distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

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

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

Ecosystem specific

{
    "availability": "No subscription required",
    "ubuntu_priority": "medium",
    "binaries": [
        {
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.24",
            "binary_name": "ctdb"
        },
        {
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.24",
            "binary_name": "ctdb-dbgsym"
        },
        {
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.24",
            "binary_name": "libnss-winbind"
        },
        {
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.24",
            "binary_name": "libnss-winbind-dbgsym"
        },
        {
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.24",
            "binary_name": "libpam-winbind"
        },
        {
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.24",
            "binary_name": "libpam-winbind-dbgsym"
        },
        {
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.24",
            "binary_name": "libparse-pidl-perl"
        },
        {
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.24",
            "binary_name": "libsmbclient"
        },
        {
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.24",
            "binary_name": "libsmbclient-dbgsym"
        },
        {
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.24",
            "binary_name": "libsmbclient-dev"
        },
        {
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.24",
            "binary_name": "libwbclient-dev"
        },
        {
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.24",
            "binary_name": "libwbclient0"
        },
        {
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.24",
            "binary_name": "libwbclient0-dbgsym"
        },
        {
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.24",
            "binary_name": "python-samba"
        },
        {
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.24",
            "binary_name": "python-samba-dbgsym"
        },
        {
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.24",
            "binary_name": "registry-tools"
        },
        {
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.24",
            "binary_name": "registry-tools-dbgsym"
        },
        {
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.24",
            "binary_name": "samba"
        },
        {
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.24",
            "binary_name": "samba-common"
        },
        {
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.24",
            "binary_name": "samba-common-bin"
        },
        {
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.24",
            "binary_name": "samba-common-bin-dbgsym"
        },
        {
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.24",
            "binary_name": "samba-dbgsym"
        },
        {
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.24",
            "binary_name": "samba-dev"
        },
        {
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.24",
            "binary_name": "samba-dsdb-modules"
        },
        {
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.24",
            "binary_name": "samba-dsdb-modules-dbgsym"
        },
        {
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.24",
            "binary_name": "samba-libs"
        },
        {
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.24",
            "binary_name": "samba-libs-dbgsym"
        },
        {
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.24",
            "binary_name": "samba-testsuite"
        },
        {
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.24",
            "binary_name": "samba-testsuite-dbgsym"
        },
        {
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.24",
            "binary_name": "samba-vfs-modules"
        },
        {
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.24",
            "binary_name": "samba-vfs-modules-dbgsym"
        },
        {
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.24",
            "binary_name": "smbclient"
        },
        {
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.24",
            "binary_name": "smbclient-dbgsym"
        },
        {
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.24",
            "binary_name": "winbind"
        },
        {
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.24",
            "binary_name": "winbind-dbgsym"
        }
    ]
}

Ubuntu:20.04:LTS / samba

Package

Name: samba
Purl: pkg:deb/ubuntu/samba?arch=src?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_version": "2:4.13.14+dfsg-0ubuntu0.20.04.1",
            "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"
        }
    ]
}

Ubuntu:22.04:LTS / samba

Package

Name: samba
Purl: pkg:deb/ubuntu/samba?arch=src?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_version": "2:4.13.14+dfsg-0ubuntu1",
            "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"
        }
    ]
}