USN-4454-2

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Source
https://ubuntu.com/security/notices/USN-4454-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4454-2.json
JSON Data
https://api.osv.dev/v1/vulns/USN-4454-2
Upstream
Related
Published
2020-08-10T19:10:54.189530Z
Modified
2025-07-16T08:32:57.963900Z
Summary
samba vulnerability
Details

USN-4454-1 fixed a vulnerability in Samba. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

Martin von Wittich and Wilko Meyer discovered that Samba incorrectly handled certain empty UDP packets when being used as a AD DC NBT server. A remote attacker could possibly use this issue to cause Samba to crash, resulting in a denial of service.

References

Affected packages

Ubuntu:14.04:LTS / samba

Package

Name
samba
Purl
pkg:deb/ubuntu/samba@2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8

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

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libnss-winbind",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8"
        },
        {
            "binary_name": "libpam-winbind",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8"
        },
        {
            "binary_name": "libwbclient0",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8"
        },
        {
            "binary_name": "samba-common",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8"
        },
        {
            "binary_name": "samba-libs",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8"
        },
        {
            "binary_name": "libsmbsharemodes0",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8"
        },
        {
            "binary_name": "samba-testsuite",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8"
        },
        {
            "binary_name": "samba",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8"
        },
        {
            "binary_name": "libsmbclient",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8"
        },
        {
            "binary_name": "samba-common-bin",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8"
        },
        {
            "binary_name": "libsmbsharemodes-dev",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8"
        },
        {
            "binary_name": "python-samba",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8"
        },
        {
            "binary_name": "winbind",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8"
        },
        {
            "binary_name": "smbclient",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8"
        },
        {
            "binary_name": "samba-vfs-modules",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8"
        },
        {
            "binary_name": "libwbclient-dev",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8"
        },
        {
            "binary_name": "samba-dsdb-modules",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8"
        },
        {
            "binary_name": "samba-dev",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8"
        },
        {
            "binary_name": "libsmbclient-dev",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8"
        },
        {
            "binary_name": "libparse-pidl-perl",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8"
        },
        {
            "binary_name": "registry-tools",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8"
        },
        {
            "binary_name": "samba-doc",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8"
        },
        {
            "binary_name": "libpam-smbpass",
            "binary_version": "2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8"
        }
    ]
}