Security Bulletin: Multiple Mozilla Firefox vulnerabilities in IBM SONAS

Summary

There are security vulnerabilities in versions of Mozilla Firefox that are shipped with versions 1.5.1.0 to 1.5.2.10 of IBM SONAS

Vulnerability Details

IBM SONAS is shipped with Mozilla Firefox. There are vulnerabilities in certain versions of Mozilla Firefox shipped in certain versions of IBM SONAS. These vulnerabilities concern the potential ability of a remote attacker to execute arbitrary code on a vulnerable system or cause a denial of service.

CVEID: CVE-2018-18500 DESCRIPTION: Mozilla Firefox could allow a remote attacker to execute arbitrary code on the system, caused by a use-after-free while parsing an HTML5 stream in concert with custom HTML elements. By persuading a victim to visit a specially-crafted Web site, 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/156247&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-2018-18501 DESCRIPTION: 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 Web site, 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/156246&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-2018-18505 DESCRIPTION: Mozilla Firefox could allow a remote attacker to gain elevated privileges on the system, caused by an error within IPC validation. By persuading a victim to visit a specially-crafted Web site, a remote attacker could exploit this vulnerability to escape the sandbox through IPC channels and execute arbitrary code on the system with elevated privileges.
CVSS Base Score: 8.8
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/156250&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)

Affected Products and Versions

IBM SONAS
The product is affected when running code releases 1.5.1.0 to 1.5.2.10

Remediation/Fixes

A fix for these issues is in version 1.5.2.11 of IBM SONAS. Customers running an affected version of IBM SONAS should upgrade to 1.5.2.11 or a later version, so that the fix gets applied.

Workarounds and Mitigations

Workaround(s) :
Normal operation of IBM SONAS does not require or call for customers to use Firefox to access the Internet. Although IBM recommends that you install a level of IBM SONAS code with a fix, you can avoid these vulnerabilities by not using Mozilla Firefox within your IBM SONAS system to access the Internet.

Mitigation: None