#VU66202 Resource management error in Samba - CVE-2021-3670

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Main Vulnerability Database Vulnerabilities #VU66202

#VU66202 Resource management error in Samba - CVE-2021-3670

Published: August 9, 2022


Vulnerability identifier: #VU66202
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-3670
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Samba
Software vendor:
Samba

Description

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to Samba AD DC LDAP does not honor the MaxQueryDuration option when handling LDAP requests. A remote user can execute heavy queries and perform a denial of service (DoS) attack.


Remediation

Vendor does not consider this a security vulnerability and recommends to follow general hardening rules to avoid similar attack vectors.

External links