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Samba addressed multiple high-severity vulnerabilities

Samba released updates to address multiple vulnerabilities that can be exploited to take control of impacted systems.

Samba released updates to address multiple vulnerabilities, tracked as CVE-2022-38023, CVE-2022-37966, CVE-2022-37967, and CVE-2022-45141, that can be exploited to take control of impacted systems.

On December 15, 2022, Samba announced the 4.17.4, 4.16.8 and 4.15.13 security releases to address the above issues.

Samba is a free software re-implementation of the SMB networking protocol that provides file and print services for various Microsoft Windows clients and can integrate with a Microsoft Windows Server domain, either as a Domain Controller (DC) or as a domain member. The software runs on most Unix-like systems, such as Linux, Solaris, AIX and the BSD variants, including Apple’s macOS Server, and macOS client (Mac OS X 10.2 and greater).

  • CVE-2022-38023 – The “RC4” protection of the NetLogon Secure channel uses the same algorithms as rc4-hmac cryptography in Kerberos, and so must also be assumed to be weak.
  • CVE-2022-37966 – This is the Samba CVE for the Windows Kerberos RC4-HMAC Elevation of Privilege Vulnerability disclosed by Microsoft on Nov 8 2022.
  • CVE-2022-37967 – An elevation of privilege vulnerability in Windows Kerberos.
  • CVE-2022-45141 – Vulnerable Samba Active Directory DCs will issue rc4-hmac encrypted tickets despite the target server supporting better encryption (eg aes256-cts-hmac-sha1-96).

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Pierluigi Paganini

(SecurityAffairs – hacking, privilege escalation)

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Pierluigi Paganini

Pierluigi Paganini is member of the ENISA (European Union Agency for Network and Information Security) Threat Landscape Stakeholder Group and Cyber G7 Group, he is also a Security Evangelist, Security Analyst and Freelance Writer. Editor-in-Chief at "Cyber Defense Magazine", Pierluigi is a cyber security expert with over 20 years experience in the field, he is Certified Ethical Hacker at EC Council in London. The passion for writing and a strong belief that security is founded on sharing and awareness led Pierluigi to find the security blog "Security Affairs" recently named a Top National Security Resource for US. Pierluigi is a member of the "The Hacker News" team and he is a writer for some major publications in the field such as Cyber War Zone, ICTTF, Infosec Island, Infosec Institute, The Hacker News Magazine and for many other Security magazines. Author of the Books "The Deep Dark Web" and “Digital Virtual Currency and Bitcoin”.

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