CVE-2020-14303
ctdb: A flaw was found in the AD DC NBT server in all Samba versions before 4.10.17, before 4.11.11 and before 4.12.4
CVE-2020-14303 is fixed in 18 products on 1 platform, first by ctdb 2:4.7.6+dfsg~ubuntu-0ubuntu2.18, released July 6, 2020. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0354
89th percentile
A flaw was found in the AD DC NBT server in all Samba versions before 4.10.17, before 4.11.11 and before 4.12.4. A samba user could send an empty UDP packet to cause the samba server to crash.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| ctdb · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.18 | ctdb 2:4.7.6+dfsg~ubuntu-0ubuntu2.18 | Jul 6, 2020 |
| ctdb · Ubuntu 20.04 LTS (focal) | 2:4.11.6+dfsg-0ubuntu1.4 | ctdb 2:4.11.6+dfsg-0ubuntu1.4 | Jul 6, 2020 |
| libnss-winbind · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.18 | libnss-winbind 2:4.7.6+dfsg~ubuntu-0ubuntu2.18 | Jul 6, 2020 |
| libnss-winbind · Ubuntu 20.04 LTS (focal) | 2:4.11.6+dfsg-0ubuntu1.4 | libnss-winbind 2:4.11.6+dfsg-0ubuntu1.4 | Jul 6, 2020 |
| libpam-winbind · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.18 | libpam-winbind 2:4.7.6+dfsg~ubuntu-0ubuntu2.18 | Jul 6, 2020 |
| libpam-winbind · Ubuntu 20.04 LTS (focal) | 2:4.11.6+dfsg-0ubuntu1.4 | libpam-winbind 2:4.11.6+dfsg-0ubuntu1.4 | Jul 6, 2020 |
| libparse-pidl-perl · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.18 | libparse-pidl-perl 2:4.7.6+dfsg~ubuntu-0ubuntu2.18 | Jul 6, 2020 |
| libsmbclient · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.18 | libsmbclient 2:4.7.6+dfsg~ubuntu-0ubuntu2.18 | Jul 6, 2020 |
| libsmbclient · Ubuntu 20.04 LTS (focal) | 2:4.11.6+dfsg-0ubuntu1.4 | libsmbclient 2:4.11.6+dfsg-0ubuntu1.4 | Jul 6, 2020 |
| libwbclient0 · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.18 | libwbclient0 2:4.7.6+dfsg~ubuntu-0ubuntu2.18 | Jul 6, 2020 |
| libwbclient0 · Ubuntu 20.04 LTS (focal) | 2:4.11.6+dfsg-0ubuntu1.4 | libwbclient0 2:4.11.6+dfsg-0ubuntu1.4 | Jul 6, 2020 |
| python-samba · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.18 | python-samba 2:4.7.6+dfsg~ubuntu-0ubuntu2.18 | Jul 6, 2020 |
| python3-samba · Ubuntu 20.04 LTS (focal) | 2:4.11.6+dfsg-0ubuntu1.4 | python3-samba 2:4.11.6+dfsg-0ubuntu1.4 | Jul 6, 2020 |
| registry-tools · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.18 | registry-tools 2:4.7.6+dfsg~ubuntu-0ubuntu2.18 | Jul 6, 2020 |
| registry-tools · Ubuntu 20.04 LTS (focal) | 2:4.11.6+dfsg-0ubuntu1.4 | registry-tools 2:4.11.6+dfsg-0ubuntu1.4 | Jul 6, 2020 |
| samba · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.18 | samba 2:4.7.6+dfsg~ubuntu-0ubuntu2.18 | Jul 6, 2020 |
| samba · Ubuntu 20.04 LTS (focal) | 2:4.11.6+dfsg-0ubuntu1.4 | samba 2:4.11.6+dfsg-0ubuntu1.4 | Jul 6, 2020 |
| samba-common · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.18 | samba-common 2:4.7.6+dfsg~ubuntu-0ubuntu2.18 | Jul 6, 2020 |
| samba-common · Ubuntu 20.04 LTS (focal) | 2:4.11.6+dfsg-0ubuntu1.4 | samba-common 2:4.11.6+dfsg-0ubuntu1.4 | Jul 6, 2020 |
| samba-common-bin · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.18 | samba-common-bin 2:4.7.6+dfsg~ubuntu-0ubuntu2.18 | Jul 6, 2020 |
| samba-common-bin · Ubuntu 20.04 LTS (focal) | 2:4.11.6+dfsg-0ubuntu1.4 | samba-common-bin 2:4.11.6+dfsg-0ubuntu1.4 | Jul 6, 2020 |
| samba-dsdb-modules · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.18 | samba-dsdb-modules 2:4.7.6+dfsg~ubuntu-0ubuntu2.18 | Jul 6, 2020 |
| samba-dsdb-modules · Ubuntu 20.04 LTS (focal) | 2:4.11.6+dfsg-0ubuntu1.4 | samba-dsdb-modules 2:4.11.6+dfsg-0ubuntu1.4 | Jul 6, 2020 |
| samba-libs · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.18 | samba-libs 2:4.7.6+dfsg~ubuntu-0ubuntu2.18 | Jul 6, 2020 |
| samba-libs · Ubuntu 20.04 LTS (focal) | 2:4.11.6+dfsg-0ubuntu1.4 | samba-libs 2:4.11.6+dfsg-0ubuntu1.4 | Jul 6, 2020 |
| samba-testsuite · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.18 | samba-testsuite 2:4.7.6+dfsg~ubuntu-0ubuntu2.18 | Jul 6, 2020 |
| samba-testsuite · Ubuntu 20.04 LTS (focal) | 2:4.11.6+dfsg-0ubuntu1.4 | samba-testsuite 2:4.11.6+dfsg-0ubuntu1.4 | Jul 6, 2020 |
| samba-vfs-modules · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.18 | samba-vfs-modules 2:4.7.6+dfsg~ubuntu-0ubuntu2.18 | Jul 6, 2020 |
| samba-vfs-modules · Ubuntu 20.04 LTS (focal) | 2:4.11.6+dfsg-0ubuntu1.4 | samba-vfs-modules 2:4.11.6+dfsg-0ubuntu1.4 | Jul 6, 2020 |
| smbclient · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.18 | smbclient 2:4.7.6+dfsg~ubuntu-0ubuntu2.18 | Jul 6, 2020 |
| smbclient · Ubuntu 20.04 LTS (focal) | 2:4.11.6+dfsg-0ubuntu1.4 | smbclient 2:4.11.6+dfsg-0ubuntu1.4 | Jul 6, 2020 |
| winbind · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.18 | winbind 2:4.7.6+dfsg~ubuntu-0ubuntu2.18 | Jul 6, 2020 |
| winbind · Ubuntu 20.04 LTS (focal) | 2:4.11.6+dfsg-0ubuntu1.4 | winbind 2:4.11.6+dfsg-0ubuntu1.4 | Jul 6, 2020 |
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