SB2018062816 - Denial of service in IBM MQ



SB2018062816 - Denial of service in IBM MQ

Published: June 28, 2018

Security Bulletin ID SB2018062816
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Man-in-the-middle attack (CVE-ID: CVE-2018-1374)

CWE-ID: CWE-300 - Channel Accessible by Non-Endpoint ('Man-in-the-Middle')

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


The vulnerability allows a remote authenticated attacker to conduct man-in-the-middle attack on the target system.

The weakness exists in IBM MQ Managed .NET Client due to improper validation of the SSL certificate. A remote attacker can use man-in-the-middle techniques and cause a SIGSEGV in the channel process amqrmppa.

Remediation

Install update from vendor's website.