SB2023010640 - openEuler 22.03 LTS update for samba 

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Main Vulnerability Database SB2023010640

SB2023010640 - openEuler 22.03 LTS update for samba

Published: January 6, 2023

Security Bulletin ID SB2023010640
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Use of a broken or risky cryptographic algorithm (CVE-ID: CVE-2022-45141)

The vulnerability allows a remote attacker to bypass authentication.

The vulnerability exists due to an error that allows an attacker to force the server so issue an rc4-hmac ticket encrypted tickets despite the target server supporting better encryption (eg aes256-cts-hmac-sha1-96). A remote attacker can perform an offline attack against the ticket encrypted with rc4-hmac and login as a privileged user.


2) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2022-37966)

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in Windows Kerberos RC4-HMAC. A remote attacker can conduct a man-in-middle (MiTM) attack, which leads to security restrictions bypass and privilege escalation.


Remediation

Install update from vendor's website.

References