Security Bulletin: IBM MQ Appliance is affected by a tcpdump vulnerability (CVE-2018-19519)

Summary

IBM MQ Appliance has addressed the following tcpdump vulnerability.

Vulnerability Details

CVEID:CVE-2018-19519
**DESCRIPTION:**Tcpdump is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the print_prefix function of print-hncp.c. By using specially-crafted packet data, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base score: 7.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/153314 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

Affected Products and Versions

Remediation/Fixes

IBM MQ Appliance version 9.1 LTS

Apply fixpack 9.1.0.5, or later.

IBM MQ Appliance version 9.1 CD

Apply Continuous Delivery release 9.1.5, or later.

Workarounds and Mitigations

None