CVE-2019-14833Authentication Bypass by Primary Weakness in Samba

Severity
5.4MEDIUMNVD
OSV6.5
EPSS
1.3%
top 20.51%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedNov 6
Latest updateMay 24

Description

A flaw was found in Samba, all versions starting samba 4.5.0 before samba 4.9.15, samba 4.10.10, samba 4.11.2, in the way it handles a user password change or a new password for a samba user. The Samba Active Directory Domain Controller can be configured to use a custom script to check for password complexity. This configuration can fail to verify password complexity when non-ASCII characters are used in the password, which could lead to weak passwords being set for samba users, making it vulner

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:NExploitability: 2.8 | Impact: 2.5

Affected Packages6 packages

NVDsamba/samba4.5.04.9.15+2
debiandebian/samba< samba 2:4.11.1+dfsg-2 (bookworm)
Debiansamba/samba< 2:4.11.1+dfsg-2+3
Ubuntusamba/samba< 2:4.3.11+dfsg-0ubuntu0.16.04.23+1
CVEListV5samba/sambaall versions starting samba 4.5.0 before samba 4.9.15, samba 4.10.10, samba 4.11.2

Also affects: Fedora 29, 30, 31

Patches

🔴Vulnerability Details

3
GHSA
GHSA-gg33-rw42-3hw7: A flaw was found in Samba, all versions starting samba 42022-05-24
OSV
CVE-2019-14833: A flaw was found in Samba, all versions starting samba 42019-11-06
OSV
samba vulnerabilities2019-10-29

📋Vendor Advisories

3
Ubuntu
Samba vulnerabilities2019-10-29
Red Hat
samba: AD DC check password script does not receive full password when non-ASCII characters are used2019-10-29
Debian
CVE-2019-14833: samba - A flaw was found in Samba, all versions starting samba 4.5.0 before samba 4.9.15...2019

💬Community

2
Bugzilla
CVE-2019-14833 samba: AD DC check password script does not receive full password when non-ASCII characters are used [fedora-all]2019-10-29
Bugzilla
CVE-2019-14833 samba: AD DC check password script does not receive full password when non-ASCII characters are used2019-10-22