SB2023112940 - Denial of service in Wildfly Core



SB2023112940 - Denial of service in Wildfly Core

Published: November 29, 2023

Security Bulletin ID SB2023112940
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Resource exhaustion (CVE-ID: CVE-2023-3171)

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

The vulnerability exists due to an error in EAP-7 during deserialization of certain classes, which permits instantiation of HashMap and HashTable with no checks on resources consumed. A remote attacker can send specially crafted requests using these classes to trigger resource exhaustion and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.