Security Bulletin: Vulnerabilities in Mozilla Network Security Services (NSS) affect IBM MQ Appliance (CVE-2016-2834, CVE-2016-5285, CVE-2016-8635)

Summary

Security vulnerabilities in Mozilla Network Security Services (NSS) affect IBM MQ Appliance. IBM MQ Appliance has addressed the applicable CVEs.

Vulnerability Details

CVEID: CVE-2016-2834**
DESCRIPTION:** Mozilla Network Security Services (NSS), as used in Mozilla Firefox, could allow a remote attacker to execute arbitrary code on the system, caused by memory safety bugs within the browser engine. By persuading a victim to visit a specially-crafted website, a remote attacker could exploit this vulnerability using unknown attack vectors to execute arbitrary code on the vulnerable system or cause a denial of service.
CVSS Base Score: 8.8
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/113870&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)

CVEID: CVE-2016-5285**
DESCRIPTION:** Mozilla Network Security Services (NSS), as used in Mozilla Firefox, is vulnerable to a denial of service, caused by a NULL pointer dereference in PK11_SignWithSymKey / ssl3_ComputeRecordMACConstantTime when handling invalid Diffie-Hellman keys. A remote attacker could exploit this vulnerability to crash a TLS/SSL server.
CVSS Base Score: 5.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/119189&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID: CVE-2016-8635**
DESCRIPTION:** Mozilla Network Security Services (NSS), as used in Mozilla Firefox, could allow a remote attacker to obtain sensitive information, caused by a small subgroup confinement attack in Diffie Hellman Client key exchange handling. By confining the client DH key to a small subgroup of the desired group, a remote attacker could exploit this vulnerability to recover private keys.
CVSS Base Score: 5.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/119190&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

Affected Products and Versions

The following versions are affected:

• IBM MQ Appliance 8.0
  • Maintenance levels between 8.0.0.0 and 8.0.0.5
• IBM MQ Appliance 9.0.x Continuous Delivery (CD) release
  • Continuous delivery update 9.0.1 only

Remediation/Fixes

IBM MQ Appliance 8.0

Apply fixpack 8.0.0.6 or later maintenance.

IBM MQ Appliance 9.0.x Continuous Delivery (CD) release

Apply continuous delivery update 9.0.2 or later.

Workarounds and Mitigations

None.