Security Bulletin: Multiple vulnerabilities in dojo may affect IBM Business Automation Workflow and IBM Business Process Manager (BPM)

Summary

IBM Business Process Manager and IBM Business Automation Workflow use dojo for some user interface components. Vulnerabilities have been reported for the version in use.

Vulnerability Details

CVEID:CVE-2019-10785
**DESCRIPTION:**Dojox is vulnerable to cross-site scripting, caused by improper validation of user-supplied input by the dojox.xmpp.util.xmlEncode. A remote attacker could exploit this vulnerability to execute script in a victim’s Web browser within the security context of the hosting Web site. An attacker could use this vulnerability to steal the victim’s cookie-based authentication credentials.
CVSS Base score: 6.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/176460 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)

CVEID:CVE-2020-4051
**DESCRIPTION:**Dijit is vulnerable to cross-site scripting, caused by improper validation of user-supplied input by the Editor’s LinkDialog plugin. A remote attacker could exploit this vulnerability to inject malicious script into a Web page which would be executed in a victim’s Web browser within the security context of the hosting Web site, once the page is viewed. An attacker could use this vulnerability to steal the victim’s cookie-based authentication credentials.
CVSS Base score: 6.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/183740 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)

CVEID:CVE-2020-5259
**DESCRIPTION:**Dojo dojox could allow a remote attacker to inject arbitrary code on the system, caused by a prototype pollution flaw. By injecting other values, an attacker could exploit this vulnerability to overwrite, or pollute, a JavaScript application object prototype of the base object.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/177752 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)

CVEID:CVE-2020-5258
**DESCRIPTION:**Dojo dojo could allow a remote attacker to inject arbitrary code on the system, caused by a prototype pollution flaw. By injecting other values, an attacker could exploit this vulnerability to overwrite, or pollute, a JavaScript application object prototype of the base object.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/177751 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)

Affected Products and Versions

For earlier and unsupported versions of the products, IBM recommends upgrading to a fixed, supported version of the product.

Remediation/Fixes

The recommended solution is to apply the Interim Fix (iFix) or Cumulative Fix (CF) containing APAR JR62962 as soon as practical:

• IBM Business Automation Workflow (including fix for IBM Business Process Manager V8.6.0.0 2018.03)
• IBM Business Process Manager Advanced
• IBM Business Process Manager Standard
• IBM Business Process Manager Express

For IBM Business Automation Workflow V18.0, V19.0, and V20.0
· Upgrade to minimal cumulative fix levels as required by iFix and then apply iFix JR62962
--OR–
· Apply cumulative fix Business Automation Workflow V20.0.0.2 or later

For IBM Business Process Manager V8.6
· Upgrade to minimal cumulative fix levels as required by iFix and then apply iFix JR62962
--OR–
· Upgrade to Business Automation Workflow V20.0.0.2 or later

For IBM BPM V8.5
· Upgrade to IBM BPM V8.5.7, apply Cumulative Fix 2017.06 and then apply iFix JR62962
--OR–
· Upgrade to Business Automation Workflow V20.0.0.2 or later

Workarounds and Mitigations

None