CVE-2020-10745

ctdb: A flaw was found in all Samba versions before 4.10.17, before 4.11.11 and before 4.12.4 in the way it processed NetBi...

CVE-2020-10745 is fixed in 18 products on 1 platform, first by ctdb 2:4.7.6+dfsg~ubuntu-0ubuntu2.17, released July 1, 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
0.0387
90th percentile

A flaw was found in all Samba versions before 4.10.17, before 4.11.11 and before 4.12.4 in the way it processed NetBios over TCP/IP. This flaw allows a remote attacker could to cause the Samba server to consume excessive CPU use, resulting in a denial of service. This highest threat from this vulnerability is to system availability.

Where it's fixed

ProductFixed inFixReleased
Linux
ctdb · Ubuntu 18.04.6 LTS (bionic) 2:4.7.6+dfsg~ubuntu-0ubuntu2.17 ctdb 2:4.7.6+dfsg~ubuntu-0ubuntu2.17 Jul 1, 2020
ctdb · Ubuntu 20.04 LTS (focal) 2:4.11.6+dfsg-0ubuntu1.3 ctdb 2:4.11.6+dfsg-0ubuntu1.3 Jul 1, 2020
libnss-winbind · Ubuntu 18.04.6 LTS (bionic) 2:4.7.6+dfsg~ubuntu-0ubuntu2.17 libnss-winbind 2:4.7.6+dfsg~ubuntu-0ubuntu2.17 Jul 1, 2020
libnss-winbind · Ubuntu 20.04 LTS (focal) 2:4.11.6+dfsg-0ubuntu1.3 libnss-winbind 2:4.11.6+dfsg-0ubuntu1.3 Jul 1, 2020
libpam-winbind · Ubuntu 18.04.6 LTS (bionic) 2:4.7.6+dfsg~ubuntu-0ubuntu2.17 libpam-winbind 2:4.7.6+dfsg~ubuntu-0ubuntu2.17 Jul 1, 2020
libpam-winbind · Ubuntu 20.04 LTS (focal) 2:4.11.6+dfsg-0ubuntu1.3 libpam-winbind 2:4.11.6+dfsg-0ubuntu1.3 Jul 1, 2020
libparse-pidl-perl · Ubuntu 18.04.6 LTS (bionic) 2:4.7.6+dfsg~ubuntu-0ubuntu2.17 libparse-pidl-perl 2:4.7.6+dfsg~ubuntu-0ubuntu2.17 Jul 1, 2020
libsmbclient · Ubuntu 18.04.6 LTS (bionic) 2:4.7.6+dfsg~ubuntu-0ubuntu2.17 libsmbclient 2:4.7.6+dfsg~ubuntu-0ubuntu2.17 Jul 1, 2020
libsmbclient · Ubuntu 20.04 LTS (focal) 2:4.11.6+dfsg-0ubuntu1.3 libsmbclient 2:4.11.6+dfsg-0ubuntu1.3 Jul 1, 2020
libwbclient0 · Ubuntu 18.04.6 LTS (bionic) 2:4.7.6+dfsg~ubuntu-0ubuntu2.17 libwbclient0 2:4.7.6+dfsg~ubuntu-0ubuntu2.17 Jul 1, 2020
libwbclient0 · Ubuntu 20.04 LTS (focal) 2:4.11.6+dfsg-0ubuntu1.3 libwbclient0 2:4.11.6+dfsg-0ubuntu1.3 Jul 1, 2020
python-samba · Ubuntu 18.04.6 LTS (bionic) 2:4.7.6+dfsg~ubuntu-0ubuntu2.17 python-samba 2:4.7.6+dfsg~ubuntu-0ubuntu2.17 Jul 1, 2020
python3-samba · Ubuntu 20.04 LTS (focal) 2:4.11.6+dfsg-0ubuntu1.3 python3-samba 2:4.11.6+dfsg-0ubuntu1.3 Jul 1, 2020
registry-tools · Ubuntu 18.04.6 LTS (bionic) 2:4.7.6+dfsg~ubuntu-0ubuntu2.17 registry-tools 2:4.7.6+dfsg~ubuntu-0ubuntu2.17 Jul 1, 2020
registry-tools · Ubuntu 20.04 LTS (focal) 2:4.11.6+dfsg-0ubuntu1.3 registry-tools 2:4.11.6+dfsg-0ubuntu1.3 Jul 1, 2020
samba · Ubuntu 18.04.6 LTS (bionic) 2:4.7.6+dfsg~ubuntu-0ubuntu2.17 samba 2:4.7.6+dfsg~ubuntu-0ubuntu2.17 Jul 1, 2020
samba · Ubuntu 20.04 LTS (focal) 2:4.11.6+dfsg-0ubuntu1.3 samba 2:4.11.6+dfsg-0ubuntu1.3 Jul 1, 2020
samba-common · Ubuntu 18.04.6 LTS (bionic) 2:4.7.6+dfsg~ubuntu-0ubuntu2.17 samba-common 2:4.7.6+dfsg~ubuntu-0ubuntu2.17 Jul 1, 2020
samba-common · Ubuntu 20.04 LTS (focal) 2:4.11.6+dfsg-0ubuntu1.3 samba-common 2:4.11.6+dfsg-0ubuntu1.3 Jul 1, 2020
samba-common-bin · Ubuntu 18.04.6 LTS (bionic) 2:4.7.6+dfsg~ubuntu-0ubuntu2.17 samba-common-bin 2:4.7.6+dfsg~ubuntu-0ubuntu2.17 Jul 1, 2020
samba-common-bin · Ubuntu 20.04 LTS (focal) 2:4.11.6+dfsg-0ubuntu1.3 samba-common-bin 2:4.11.6+dfsg-0ubuntu1.3 Jul 1, 2020
samba-dsdb-modules · Ubuntu 18.04.6 LTS (bionic) 2:4.7.6+dfsg~ubuntu-0ubuntu2.17 samba-dsdb-modules 2:4.7.6+dfsg~ubuntu-0ubuntu2.17 Jul 1, 2020
samba-dsdb-modules · Ubuntu 20.04 LTS (focal) 2:4.11.6+dfsg-0ubuntu1.3 samba-dsdb-modules 2:4.11.6+dfsg-0ubuntu1.3 Jul 1, 2020
samba-libs · Ubuntu 18.04.6 LTS (bionic) 2:4.7.6+dfsg~ubuntu-0ubuntu2.17 samba-libs 2:4.7.6+dfsg~ubuntu-0ubuntu2.17 Jul 1, 2020
samba-libs · Ubuntu 20.04 LTS (focal) 2:4.11.6+dfsg-0ubuntu1.3 samba-libs 2:4.11.6+dfsg-0ubuntu1.3 Jul 1, 2020
samba-testsuite · Ubuntu 18.04.6 LTS (bionic) 2:4.7.6+dfsg~ubuntu-0ubuntu2.17 samba-testsuite 2:4.7.6+dfsg~ubuntu-0ubuntu2.17 Jul 1, 2020
samba-testsuite · Ubuntu 20.04 LTS (focal) 2:4.11.6+dfsg-0ubuntu1.3 samba-testsuite 2:4.11.6+dfsg-0ubuntu1.3 Jul 1, 2020
samba-vfs-modules · Ubuntu 18.04.6 LTS (bionic) 2:4.7.6+dfsg~ubuntu-0ubuntu2.17 samba-vfs-modules 2:4.7.6+dfsg~ubuntu-0ubuntu2.17 Jul 1, 2020
samba-vfs-modules · Ubuntu 20.04 LTS (focal) 2:4.11.6+dfsg-0ubuntu1.3 samba-vfs-modules 2:4.11.6+dfsg-0ubuntu1.3 Jul 1, 2020
smbclient · Ubuntu 18.04.6 LTS (bionic) 2:4.7.6+dfsg~ubuntu-0ubuntu2.17 smbclient 2:4.7.6+dfsg~ubuntu-0ubuntu2.17 Jul 1, 2020
smbclient · Ubuntu 20.04 LTS (focal) 2:4.11.6+dfsg-0ubuntu1.3 smbclient 2:4.11.6+dfsg-0ubuntu1.3 Jul 1, 2020
winbind · Ubuntu 18.04.6 LTS (bionic) 2:4.7.6+dfsg~ubuntu-0ubuntu2.17 winbind 2:4.7.6+dfsg~ubuntu-0ubuntu2.17 Jul 1, 2020
winbind · Ubuntu 20.04 LTS (focal) 2:4.11.6+dfsg-0ubuntu1.3 winbind 2:4.11.6+dfsg-0ubuntu1.3 Jul 1, 2020

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