Insufficient verification of data authenticity in Samba - CVE-2022-0336
Published: January 31, 2022
Vulnerability identifier: #VU60185
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-0336
CWE-ID: CWE-345
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Samba
Affected software:
Samba
Samba
Detailed vulnerability description
The vulnerability allows a local user to impersonate arbitrary services.
The vulnerability exists due to Samba AD DC relies only on SPN (service principals name) to identify services on the network. An attacker with ability to modify SPNs can bypass implemented protection and cause a denial of service condition by adding an SPN that matches an existing service or impersonate services on the network.
How to mitigate CVE-2022-0336
Install updates from vendor's website.