SB2022122734 - SUSE update for freeradius-server

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Main Vulnerability Database SB2022122734

SB2022122734 - SUSE update for freeradius-server

Published: December 27, 2022

Security Bulletin ID SB2022122734
Severity
Medium
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

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

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Information disclosure (CVE-ID: CVE-2022-41859)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to the compute_password_element() function leaks information about the password. A remote attacker can substantially reduce the size of an offline dictionary attack and brute-force passwords.


2) NULL pointer dereference (CVE-ID: CVE-2022-41860)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the EAP-SIM module when parsing an unknown SIM option. A remote attacker can send specially crafted data to the application and perform a denial of service (DoS) attack.


3) Input validation error (CVE-ID: CVE-2022-41861)

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A malicious RADIUS client or home server can send a malformed abinary attribute, which can cause the server to crash.


Remediation

Install update from vendor's website.

References