Security Bulletin: IBM WebSphere Application Server Liberty Profile vulnerabilities affect IBM Tivoli Application Dependency Discovery Manager (TADDM) (CVE-2016-3092, CVE-2016-5986)

Summary

IBM WebSphere Application Server Liberty Profile as embedded in TADDM is potentially vulnerable to a denial of service caused by an error in the Apache Commons FileUpload component.
It is also potentially vulnerable to a remote attack where the attacker could obtain sensitive information as a consequence of improperly handled responses under certain circumstances.

Vulnerability Details

CVEID: CVE-2016-5986 DESCRIPTION: IBM WebSphere Application Server and IBM WebSphere Application Server Liberty could allow a remote attacker to obtain sensitive information, caused by the improper handling of responses under certain conditions. An attacker could exploit this vulnerability to gain server identification information.
CVSS Base Score: 3.7
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/116556&gt; for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)

CVEID: CVE-2016-3092 DESCRIPTION: Apache Tomcat is vulnerable to a denial of service, caused by an error in the Apache Commons FileUpload component. By sending file upload requests, an attacker could exploit this vulnerability to cause the server to become unresponsive.
CVSS Base Score: 5.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/114336&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)

Affected Products and Versions

TADDM 7.3.0.1-7.3.0.3

Remediation/Fixes

There is an eFix prepared on top of TADDM 7.3.0 FixPack 3

Please get familiar with eFix readme in etc/<efix_name>_readme.txt
Note that the eFix requires manual deletion of the external/wlp directory.

Workarounds and Mitigations

The solution is to patch the embedded WebSphere Application Server Liberty Profile 8.5.5.8 with WebSphere patch P167093 and PI65853