Use-after-free in Samba - CVE-2021-3738

 

Use-after-free in Samba - CVE-2021-3738

Published: November 10, 2021


Vulnerability identifier: #VU58092
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-3738
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Samba
Affected software:
Samba

Detailed vulnerability description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in Samba AD DC RPC server. A remote authenticated attacker can gain elevated privileges and perform a denial of service (DoS) attack.


How to mitigate CVE-2021-3738

Install updates from vendor's website.

Sources