CVE-2021-3670

samba-vfs-modules: MaxQueryDuration not honoured in Samba AD DC LDAP

CVE-2021-3670 is fixed in 19 products on 1 platform, first by ctdb 2:4.13.17~dfsg-0ubuntu1.20.04.1, released July 26, 2022. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
6.5
Low
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0233
83rd percentile

MaxQueryDuration not honoured in Samba AD DC LDAP

Where it's fixed

ProductFixed inFixReleased
Linux
ctdb · Ubuntu 20.04 LTS (focal) 2:4.13.17~dfsg-0ubuntu1.20.04.1 ctdb 2:4.13.17~dfsg-0ubuntu1.20.04.1 Jul 26, 2022
ldb-tools · Ubuntu 20.04 LTS (focal) 2:2.2.3-0ubuntu0.20.04.3 ldb-tools 2:2.2.3-0ubuntu0.20.04.3 Jul 26, 2022
libldb2 · Ubuntu 20.04 LTS (focal) 2:2.2.3-0ubuntu0.20.04.3 libldb2 2:2.2.3-0ubuntu0.20.04.3 Jul 26, 2022
libnss-winbind · Ubuntu 20.04 LTS (focal) 2:4.13.17~dfsg-0ubuntu1.20.04.1 libnss-winbind 2:4.13.17~dfsg-0ubuntu1.20.04.1 Jul 26, 2022
libpam-winbind · Ubuntu 20.04 LTS (focal) 2:4.13.17~dfsg-0ubuntu1.20.04.1 libpam-winbind 2:4.13.17~dfsg-0ubuntu1.20.04.1 Jul 26, 2022
libsmbclient · Ubuntu 20.04 LTS (focal) 2:4.13.17~dfsg-0ubuntu1.20.04.1 libsmbclient 2:4.13.17~dfsg-0ubuntu1.20.04.1 Jul 26, 2022
libwbclient0 · Ubuntu 20.04 LTS (focal) 2:4.13.17~dfsg-0ubuntu1.20.04.1 libwbclient0 2:4.13.17~dfsg-0ubuntu1.20.04.1 Jul 26, 2022
python3-ldb · Ubuntu 20.04 LTS (focal) 2:2.2.3-0ubuntu0.20.04.3 python3-ldb 2:2.2.3-0ubuntu0.20.04.3 Jul 26, 2022
python3-samba · Ubuntu 20.04 LTS (focal) 2:4.13.17~dfsg-0ubuntu1.20.04.1 python3-samba 2:4.13.17~dfsg-0ubuntu1.20.04.1 Jul 26, 2022
registry-tools · Ubuntu 20.04 LTS (focal) 2:4.13.17~dfsg-0ubuntu1.20.04.1 registry-tools 2:4.13.17~dfsg-0ubuntu1.20.04.1 Jul 26, 2022
samba · Debian 12.15 (bookworm) 2:4.16.0+dfsg-2 DEBIAN-CVE-2021-3670 Aug 23, 2022
samba · Debian 13.5 (trixie) 2:4.16.0+dfsg-2 DEBIAN-CVE-2021-3670 Aug 23, 2022
samba · Debian 14 2:4.16.0+dfsg-2 DEBIAN-CVE-2021-3670 Aug 23, 2022
samba · Ubuntu 20.04 LTS (focal) 2:4.13.17~dfsg-0ubuntu1.20.04.1 samba 2:4.13.17~dfsg-0ubuntu1.20.04.1 Jul 26, 2022
samba-common · Ubuntu 20.04 LTS (focal) 2:4.13.17~dfsg-0ubuntu1.20.04.1 samba-common 2:4.13.17~dfsg-0ubuntu1.20.04.1 Jul 26, 2022
samba-common-bin · Ubuntu 20.04 LTS (focal) 2:4.13.17~dfsg-0ubuntu1.20.04.1 samba-common-bin 2:4.13.17~dfsg-0ubuntu1.20.04.1 Jul 26, 2022
samba-dsdb-modules · Ubuntu 20.04 LTS (focal) 2:4.13.17~dfsg-0ubuntu1.20.04.1 samba-dsdb-modules 2:4.13.17~dfsg-0ubuntu1.20.04.1 Jul 26, 2022
samba-libs · Ubuntu 20.04 LTS (focal) 2:4.13.17~dfsg-0ubuntu1.20.04.1 samba-libs 2:4.13.17~dfsg-0ubuntu1.20.04.1 Jul 26, 2022
samba-testsuite · Ubuntu 20.04 LTS (focal) 2:4.13.17~dfsg-0ubuntu1.20.04.1 samba-testsuite 2:4.13.17~dfsg-0ubuntu1.20.04.1 Jul 26, 2022
samba-vfs-modules · Ubuntu 20.04 LTS (focal) 2:4.13.17~dfsg-0ubuntu1.20.04.1 samba-vfs-modules 2:4.13.17~dfsg-0ubuntu1.20.04.1 Jul 26, 2022
smbclient · Ubuntu 20.04 LTS (focal) 2:4.13.17~dfsg-0ubuntu1.20.04.1 smbclient 2:4.13.17~dfsg-0ubuntu1.20.04.1 Jul 26, 2022
winbind · Ubuntu 20.04 LTS (focal) 2:4.13.17~dfsg-0ubuntu1.20.04.1 winbind 2:4.13.17~dfsg-0ubuntu1.20.04.1 Jul 26, 2022

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