ctdb: A null pointer dereference flaw was found in the way samba checked database outputs from the LDB database layer
CVE-2018-10918 is fixed in 17 products on 1 platform, first by ctdb 2:4.7.6+dfsg~ubuntu-0ubuntu2.2, released August 13, 2018. It is not reported as exploited. Patch Radar priority: Routine.
A null pointer dereference flaw was found in the way samba checked database outputs from the LDB database layer. An authenticated attacker could use this flaw to crash a samba server in an Active Directory Domain Controller configuration. Samba versions before 4.7.9 and 4.8.4 are vulnerable.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| ctdb · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 | ctdb 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 | Aug 13, 2018 |
| libnss-winbind · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 | libnss-winbind 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 | Aug 13, 2018 |
| libpam-winbind · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 | libpam-winbind 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 | Aug 13, 2018 |
| libparse-pidl-perl · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 | libparse-pidl-perl 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 | Aug 13, 2018 |
| libsmbclient · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 | libsmbclient 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 | Aug 13, 2018 |
| libwbclient0 · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 | libwbclient0 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 | Aug 13, 2018 |
| python-samba · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 | python-samba 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 | Aug 13, 2018 |
| registry-tools · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 | registry-tools 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 | Aug 13, 2018 |
| samba · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 | samba 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 | Aug 13, 2018 |
| samba-common · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 | samba-common 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 | Aug 13, 2018 |
| samba-common-bin · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 | samba-common-bin 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 | Aug 13, 2018 |
| samba-dsdb-modules · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 | samba-dsdb-modules 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 | Aug 13, 2018 |
| samba-libs · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 | samba-libs 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 | Aug 13, 2018 |
| samba-testsuite · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 | samba-testsuite 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 | Aug 13, 2018 |
| samba-vfs-modules · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 | samba-vfs-modules 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 | Aug 13, 2018 |
| smbclient · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 | smbclient 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 | Aug 13, 2018 |
| winbind · Ubuntu 18.04.6 LTS (bionic) | 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 | winbind 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 | Aug 13, 2018 |
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