Permissions, Privileges, and Access Controls in Samba - CVE-2020-25718
Published: November 10, 2021
Vulnerability identifier: #VU58096
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-25718
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Samba
Affected software:
Samba
Samba
Detailed vulnerability description
The vulnerability allows a remote authenticated attacker to escalate privileges on the system.
The vulnerability exists due to Samba AD DC does not correctly sandbox Kerberos tickets issued by an RODC, which leads to security restrictions bypass and privilege escalation.
How to mitigate CVE-2020-25718
Install updates from vendor's website.