Security Bulletin
Summary
IBM MQ Appliance has addressed the following Network Security Services vulnerabilities.
Vulnerability Details
CVEID: CVE-2019-11729
DESCRIPTION: Mozilla Firefox is vulnerable to a denial of service, caused by the improper validation of empty or malformed p256-ECDH public keys before being copied into memory and used. By persuading a victim to visit a specially-crafted web site, a remote attacker could exploit this vulnerability to cause the browser to crash.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/163507 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
CVEID: CVE-2019-11745
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 an out-of-bounds write when encrypting with a block cipher. By persuading a victim to visit a specially-crafted web site, a remote attacker could exploit this vulnerability to corrupt the heap and 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/172458 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
DESCRIPTION: Mozilla Firefox is vulnerable to a denial of service, caused by the improper validation of empty or malformed p256-ECDH public keys before being copied into memory and used. By persuading a victim to visit a specially-crafted web site, a remote attacker could exploit this vulnerability to cause the browser to crash.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/163507 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
CVEID: CVE-2019-11745
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 an out-of-bounds write when encrypting with a block cipher. By persuading a victim to visit a specially-crafted web site, a remote attacker could exploit this vulnerability to corrupt the heap and 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/172458 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| IBM MQ Appliance | 9.1 LTS |
| IBM MQ Appliance | 9.1 CD |
| IBM MQ Appliance | 8.0 |
Remediation/Fixes
IBM MQ Appliance version 8.0
Apply iFix IT31912, or later.
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
Get Notified about Future Security Bulletins
References
Off
Change History
08 June 2020: Initial Publication
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
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Document Information
Modified date:
08 June 2020
UID
ibm15694213