Security Bulletin: IBM MQ Advanced Message Security is vulnerable to an OpenSSL error while parsing an IPAdressFamily extension in an X.509 certificate. (CVE-2017-3735)

Summary

IBM MQ have addressed a vulnerability whereby OpenSSL could allow a remote attacker to obtain sensitive information, caused by an error while parsing an IPAdressFamily extension in an X.509 certificate.

OpenSSL is used by IBM MQ Advanced Message Security on the IBM i platform only.

Vulnerability Details

CVEID: CVE-2017-3735**
DESCRIPTION:** OpenSSL could allow a remote attacker to obtain sensitive information, caused by an error while parsing an IPAdressFamily extension in an X.509 certificate. An attacker could exploit this vulnerability to trigger an out-of-bounds read, resulting in an incorrect text display of the certificate.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/131047 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N)

Affected Products and Versions

IBM MQ v8.0

• Maintenance levels 8.0.0.0 - 8.0.0.8

IBM MQ v9 LTS

• Maintenance levels 9.0.0.0 - 9.0.0.2

Remediation/Fixes

IBM MQ v8.0

• Apply Fixpack 8.0.0.9

IBM MQ v9 LTS

• Apply Fixpack 9.0.0.3