SB2024011535 - Red Hat Enterprise Linux 8.6 Extended Update Support update for krb5

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Main Vulnerability Database SB2024011535

SB2024011535 - Red Hat Enterprise Linux 8.6 Extended Update Support update for krb5

Published: January 15, 2024

Security Bulletin ID SB2024011535
Severity
Medium
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 33% Low 67%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Security Features (CVE-ID: CVE-2020-17049)

The vulnerability allows a remote user to bypass authentication process.

The vulnerability exists due to security feature bypass issue in Kerberos. A remote administrator can bypass authentication process and gain unauthorized access to the application.


2) Cross-site request forgery (CVE-ID: CVE-2023-5455)

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.


3) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2022-37967)

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

The vulnerability exists due to application does not properly impose security restrictions in Kerberos, which leads to security restrictions bypass and privilege escalation.


Remediation

Install update from vendor's website.

References