Security Bulletin: Multiple security vulnerabilities with IBM Content Navigator component in IBM Business Automation Workflow - CVE-2020-4757, PSIRT-ADV0028011, CVE-2020-4934

Summary

The embedded IBM Content Navigator, that is shipped with IBM Business Automation Workflow is vulnerable to several security vulnerabilities.

Vulnerability Details

CVEID:CVE-2020-4934
**DESCRIPTION:**IBM Content Navigator 3.0.CD could allow a remote attacker to traverse directories on the system. An attacker could send a specially-crafted URL request containing “dot dot” sequences (/…/) to view arbitrary files on the system. IBM X-Force ID: 191752.
CVSS Base score: 4.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/191752 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)

CVEID:CVE-2020-4757
**DESCRIPTION:**IBM FileNet Content Manager and IBM Content Navigator 3.0.CD is vulnerable to stored cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 188600.
CVSS Base score: 6.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/188600 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N)

**Third Party Entry:**177835
**DESCRIPTION:**Apache Commons Codec information disclosure
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/177835 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

Remediation/Fixes

The recommended solution is to apply the Interim Fix (iFix) or Cumulative Fix (CF) containing APAR JR62610 as soon as practical:

• IBM Business Automation Workflow

For Business Automation Workflow v19.0.0.x, v20.0.0.1
· Upgrade to minimal cumulative fix levels as required by iFix and then apply iFix JR63133
--OR–
· Apply cumulative fix Business Automation Workflow V20.0.0.2 or later

Workarounds and Mitigations

For Business Automation Workflow v19.0.0.x, a remediation is required for CVE-2020-4757 when using the embedded IBM Content Navigator:

The IBM Content Navigator viewer map can be configured to prevent users from opening or previewing certain types of documents as described in this article: Configuring viewers used to display documents in the web client