# CVE-2019-14847: winbind: A flaw was found in samba 4.0.0 before samba 4.9.15 and samba 4.10.x before 4.10.10

CVE-2019-14847 is fixed in 17 products on 1 platform, first by ctdb 2:4.7.6+dfsg~ubuntu-0ubuntu2.13, released October 28, 2019. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2019-14847
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0211
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 28, 2019

## Description

A flaw was found in samba 4.0.0 before samba 4.9.15 and samba 4.10.x before 4.10.10. An attacker can crash AD DC LDAP server via dirsync resulting in denial of service. Privilege escalation is not possible with this issue.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | ctdb Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.13 | [ctdb 2:4.7.6+dfsg~ubuntu-0ubuntu2.13](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ctdb-2-4.7.6-dfsg-ubuntu-0ubuntu2.13.md) | Oct 28, 2019 |
| Linux | libnss-winbind Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.13 | [libnss-winbind 2:4.7.6+dfsg~ubuntu-0ubuntu2.13](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libnss-winbind-2-4.7.6-dfsg-ubuntu-0ubuntu2.13.md) | Oct 28, 2019 |
| Linux | libpam-winbind Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.13 | [libpam-winbind 2:4.7.6+dfsg~ubuntu-0ubuntu2.13](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libpam-winbind-2-4.7.6-dfsg-ubuntu-0ubuntu2.13.md) | Oct 28, 2019 |
| Linux | libparse-pidl-perl Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.13 | [libparse-pidl-perl 2:4.7.6+dfsg~ubuntu-0ubuntu2.13](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libparse-pidl-perl-2-4.7.6-dfsg-ubuntu-0ubuntu2.13.md) | Oct 28, 2019 |
| Linux | libsmbclient Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.13 | [libsmbclient 2:4.7.6+dfsg~ubuntu-0ubuntu2.13](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libsmbclient-2-4.7.6-dfsg-ubuntu-0ubuntu2.13.md) | Oct 28, 2019 |
| Linux | libwbclient0 Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.13 | [libwbclient0 2:4.7.6+dfsg~ubuntu-0ubuntu2.13](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libwbclient0-2-4.7.6-dfsg-ubuntu-0ubuntu2.13.md) | Oct 28, 2019 |
| Linux | python-samba Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.13 | [python-samba 2:4.7.6+dfsg~ubuntu-0ubuntu2.13](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-samba-2-4.7.6-dfsg-ubuntu-0ubuntu2.13.md) | Oct 28, 2019 |
| Linux | registry-tools Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.13 | [registry-tools 2:4.7.6+dfsg~ubuntu-0ubuntu2.13](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-registry-tools-2-4.7.6-dfsg-ubuntu-0ubuntu2.13.md) | Oct 28, 2019 |
| Linux | samba Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.13 | [samba 2:4.7.6+dfsg~ubuntu-0ubuntu2.13](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-samba-2-4.7.6-dfsg-ubuntu-0ubuntu2.13.md) | Oct 28, 2019 |
| Linux | samba-common Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.13 | [samba-common 2:4.7.6+dfsg~ubuntu-0ubuntu2.13](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-samba-common-2-4.7.6-dfsg-ubuntu-0ubuntu2.13.md) | Oct 28, 2019 |
| Linux | samba-common-bin Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.13 | [samba-common-bin 2:4.7.6+dfsg~ubuntu-0ubuntu2.13](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-samba-common-bin-2-4.7.6-dfsg-ubuntu-0ubuntu2.13.md) | Oct 28, 2019 |
| Linux | samba-dsdb-modules Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.13 | [samba-dsdb-modules 2:4.7.6+dfsg~ubuntu-0ubuntu2.13](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-samba-dsdb-modules-2-4.7.6-dfsg-ubuntu-0ubuntu2.13.md) | Oct 28, 2019 |
| Linux | samba-libs Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.13 | [samba-libs 2:4.7.6+dfsg~ubuntu-0ubuntu2.13](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-samba-libs-2-4.7.6-dfsg-ubuntu-0ubuntu2.13.md) | Oct 28, 2019 |
| Linux | samba-testsuite Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.13 | [samba-testsuite 2:4.7.6+dfsg~ubuntu-0ubuntu2.13](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-samba-testsuite-2-4.7.6-dfsg-ubuntu-0ubuntu2.13.md) | Oct 28, 2019 |
| Linux | samba-vfs-modules Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.13 | [samba-vfs-modules 2:4.7.6+dfsg~ubuntu-0ubuntu2.13](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-samba-vfs-modules-2-4.7.6-dfsg-ubuntu-0ubuntu2.13.md) | Oct 28, 2019 |
| Linux | smbclient Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.13 | [smbclient 2:4.7.6+dfsg~ubuntu-0ubuntu2.13](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-smbclient-2-4.7.6-dfsg-ubuntu-0ubuntu2.13.md) | Oct 28, 2019 |
| Linux | winbind Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.13 | [winbind 2:4.7.6+dfsg~ubuntu-0ubuntu2.13](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-winbind-2-4.7.6-dfsg-ubuntu-0ubuntu2.13.md) | Oct 28, 2019 |

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