Denial-of-Service Vulnerability in Samba Active Directory Domain Controller

CVE-2022-0336

What is CVE-2022-0336?

This vulnerability in Samba's Active Directory Domain Controller allows attackers to bypass certain checks when adding Service Principal Names (SPNs). An attacker with the ability to modify an account can potentially retransmit an existing SPN. This reintroduction of an SPN can lead to denial-of-service scenarios by matching existing services. Furthermore, if an attacker can intercept network traffic, they could impersonate legitimate services, undermining the confidentiality and integrity of communication within affected environments. Organizations using Samba should review their configurations and patch any vulnerable components promptly.

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