USN-3827-1

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Please try reporting it to the source first.
Source
https://ubuntu.com/security/notices/USN-3827-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3827-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-3827-1
Upstream
Related
Published
2018-11-27T12:35:49.947476Z
Modified
2025-10-13T04:34:45Z
Summary
samba vulnerabilities
Details

Florian Stuelpner discovered that Samba incorrectly handled CNAME records. A remote attacker could use this issue to cause Samba to crash, resulting in a denial of service. (CVE-2018-14629)

Alex MacCuish discovered that Samba incorrectly handled memory when configured to accept smart-card authentication. A remote attacker could possibly use this issue to cause Samba to crash, resulting in a denial of service. (CVE-2018-16841)

Garming Sam discovered that Samba incorrectly handled memory when processing LDAP searches. A remote attacker could possibly use this issue to cause Samba to crash, resulting in a denial of service. (CVE-2018-16851)

References

Affected packages

Ubuntu:14.04:LTS / samba

Package

Name
samba
Purl
pkg:deb/ubuntu/samba@2:4.3.11+dfsg-0ubuntu0.14.04.19?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:4.3.11+dfsg-0ubuntu0.14.04.19

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

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libnss-winbind",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
        },
        {
            "binary_name": "libpam-smbpass",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
        },
        {
            "binary_name": "libpam-winbind",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
        },
        {
            "binary_name": "libparse-pidl-perl",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
        },
        {
            "binary_name": "libsmbclient",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
        },
        {
            "binary_name": "libsmbclient-dev",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
        },
        {
            "binary_name": "libsmbsharemodes-dev",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
        },
        {
            "binary_name": "libsmbsharemodes0",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
        },
        {
            "binary_name": "libwbclient-dev",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
        },
        {
            "binary_name": "libwbclient0",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
        },
        {
            "binary_name": "python-samba",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
        },
        {
            "binary_name": "registry-tools",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
        },
        {
            "binary_name": "samba",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
        },
        {
            "binary_name": "samba-common",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
        },
        {
            "binary_name": "samba-common-bin",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
        },
        {
            "binary_name": "samba-dev",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
        },
        {
            "binary_name": "samba-dsdb-modules",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
        },
        {
            "binary_name": "samba-libs",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
        },
        {
            "binary_name": "samba-testsuite",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
        },
        {
            "binary_name": "samba-vfs-modules",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
        },
        {
            "binary_name": "smbclient",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
        },
        {
            "binary_name": "winbind",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.19"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2018-14629"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2018-16841"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2018-16851"
        }
    ],
    "ecosystem": "Ubuntu:14.04:LTS"
}

Ubuntu:16.04:LTS / samba

Package

Name
samba
Purl
pkg:deb/ubuntu/samba@2:4.3.11+dfsg-0ubuntu0.16.04.18?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:4.3.11+dfsg-0ubuntu0.16.04.18

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

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "ctdb",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
        },
        {
            "binary_name": "libnss-winbind",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
        },
        {
            "binary_name": "libpam-winbind",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
        },
        {
            "binary_name": "libparse-pidl-perl",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
        },
        {
            "binary_name": "libsmbclient",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
        },
        {
            "binary_name": "libsmbclient-dev",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
        },
        {
            "binary_name": "libwbclient-dev",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
        },
        {
            "binary_name": "libwbclient0",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
        },
        {
            "binary_name": "python-samba",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
        },
        {
            "binary_name": "registry-tools",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
        },
        {
            "binary_name": "samba",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
        },
        {
            "binary_name": "samba-common",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
        },
        {
            "binary_name": "samba-common-bin",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
        },
        {
            "binary_name": "samba-dev",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
        },
        {
            "binary_name": "samba-dsdb-modules",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
        },
        {
            "binary_name": "samba-libs",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
        },
        {
            "binary_name": "samba-testsuite",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
        },
        {
            "binary_name": "samba-vfs-modules",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
        },
        {
            "binary_name": "smbclient",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
        },
        {
            "binary_name": "winbind",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.16.04.18"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2018-14629"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2018-16841"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2018-16851"
        }
    ],
    "ecosystem": "Ubuntu:16.04:LTS"
}

Ubuntu:18.04:LTS / samba

Package

Name
samba
Purl
pkg:deb/ubuntu/samba@2:4.7.6+dfsg~ubuntu-0ubuntu2.5?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:4.7.6+dfsg~ubuntu-0ubuntu2.5

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

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "ctdb",
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
        },
        {
            "binary_name": "libnss-winbind",
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
        },
        {
            "binary_name": "libpam-winbind",
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
        },
        {
            "binary_name": "libparse-pidl-perl",
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
        },
        {
            "binary_name": "libsmbclient",
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
        },
        {
            "binary_name": "libsmbclient-dev",
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
        },
        {
            "binary_name": "libwbclient-dev",
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
        },
        {
            "binary_name": "libwbclient0",
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
        },
        {
            "binary_name": "python-samba",
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
        },
        {
            "binary_name": "registry-tools",
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
        },
        {
            "binary_name": "samba",
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
        },
        {
            "binary_name": "samba-common",
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
        },
        {
            "binary_name": "samba-common-bin",
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
        },
        {
            "binary_name": "samba-dev",
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
        },
        {
            "binary_name": "samba-dsdb-modules",
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
        },
        {
            "binary_name": "samba-libs",
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
        },
        {
            "binary_name": "samba-testsuite",
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
        },
        {
            "binary_name": "samba-vfs-modules",
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
        },
        {
            "binary_name": "smbclient",
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
        },
        {
            "binary_name": "winbind",
            "binary_version": "2:4.7.6+dfsg~ubuntu-0ubuntu2.5"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2018-14629"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2018-16841"
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2018-16851"
        }
    ],
    "ecosystem": "Ubuntu:18.04:LTS"
}