SB2025112015 - Red Hat Enterprise Linux 8 update for the idm:DL1 module 



SB2025112015 - Red Hat Enterprise Linux 8 update for the idm:DL1 module

Published: November 20, 2025

Security Bulletin ID SB2025112015
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Server-Side Request Forgery (SSRF) (CVE-ID: CVE-2025-59088)

The disclosed vulnerability allows a remote attacker to perform SSRF attacks.

The vulnerability exists due to insufficient validation of user-supplied input. If kdcproxy receives a request for a realm which does not have server addresses defined in its configuration, by default, it will query SRV records in the DNS zone matching the requested realm name. A remote attacker can probe internal network topology and firewall rules, perform port scanning, and exfiltrate data.


2) Resource exhaustion (CVE-ID: CVE-2025-59089)

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

The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can force the application into connecting to a specially crafted KDC server to trigger resource exhaustion and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.