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HomeInformation SecuritySamba Points Safety Updates to Patch A number of Excessive-Severity Vulnerabilities

Samba Points Safety Updates to Patch A number of Excessive-Severity Vulnerabilities


Dec 17, 2022Ravie LakshmananServer Safety / Community Safety

Samba has launched software program updates to remediate a number of vulnerabilities that, if efficiently exploited, may enable an attacker to take management of affected methods.

The high-severity flaws, tracked as CVE-2022-38023, CVE-2022-37966, CVE-2022-37967, and CVE-2022-45141, have been patched in variations 4.17.4, 4.16.8 and 4.15.13 launched on December 15, 2022.

Samba is an open supply Home windows interoperability suite for Linux, Unix, and macOS working methods that gives file server, printing, and Energetic Listing providers.

CyberSecurity

A short description of every of the weaknesses is under –

  • CVE-2022-38023 (CVSS rating: 8.1) – Use of weak RC4-HMAC Kerberos encryption kind within the NetLogon Safe Channel
  • CVE-2022-37966 (CVSS rating: 8.1) – An elevation of privilege vulnerability in Home windows Kerberos RC4-HMAC
  • CVE-2022-37967 (CVSS rating: 7.2) – An elevation of privilege vulnerability in Home windows Kerberos
  • CVE-2022-45141 (CVSS rating: 8.1) – Use of RC4-HMAC encryption when issuing Kerberos tickets in Samba Energetic Listing area controller (AD DC) utilizing Heimdal

It is value noting that each CVE-2022-37966 and CVE-2022-37967, which allow an adversary to achieve administrator privileges, have been first disclosed by Microsoft as a part of its November 2022 Patch Tuesday updates.

“An unauthenticated attacker may conduct an assault that might leverage cryptographic protocol vulnerabilities in RFC 4757 (Kerberos encryption kind RC4-HMAC-MD5) and MS-PAC (Privilege Attribute Certificates Information Construction specification) to bypass security measures in a Home windows AD surroundings,” the corporate mentioned of CVE-2022-37966.

The patches additionally come because the U.S. Cybersecurity and Infrastructure Safety Company (CISA) this week revealed 41 Industrial Management Programs (ICS) advisories pertaining to varied flaws impacting Siemens and Prosys OPC merchandise.

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