SB2024030105 - Multiple vulnerabilities in IBM MQ



SB2024030105 - Multiple vulnerabilities in IBM MQ

Published: March 1, 2024 Updated: December 6, 2024

Security Bulletin ID SB2024030105
CSH Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Partial DoS

Breakdown by Severity

High 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) XML External Entity injection (CVE-ID: CVE-2023-4218)

CWE-ID: CWE-611 - Improper Restriction of XML External Entity Reference ('XXE')

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to some files with xml content are parsed vulnerable against all sorts of XXE attacks. A local user can trick the victim into opening a specially crafted XML code and view contents of arbitrary files on the system or initiate requests to external systems.


2) Resource exhaustion (CVE-ID: CVE-2023-44487)

CWE-ID: CWE-400 - Resource exhaustion

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:A/U:Amber


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

The vulnerability exists due to improperly control of consumption for internal resources when handling HTTP/2 requests with compressed HEADERS frames. A remote attacker can send a sequence of compressed HEADERS frames followed by RST_STREAM frames and perform a denial of service (DoS) attack, a.k.a. "Rapid Reset".

Note, the vulnerability is being actively exploited in the wild.


Remediation

Install update from vendor's website.