Security Bulletin
Summary
There is a potential vulnerability in the Apache Commons FileUpload used by WebSphere Application Server traditional and WebSphere Application Server Liberty.
Vulnerability Details
CVEID: CVE-2016-1000031
DESCRIPTION: Apache Commons FileUpload, as used in several products, could allow a remote attacker to execute arbitrary code on the system, caused by deserialization of untrusted data in DiskFileItem class of the FileUpload library. A remote attacker could exploit this vulnerability to execute arbitrary code under the context of the current process.
CVSS Base Score: 9.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/117957 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Affected Products and Versions
This vulnerability affects the following versions and releases of IBM WebSphere Application Server:
- Liberty
- Version 9.0
- Version 8.5
- Version 8.0
Remediation/Fixes
The recommended solution is to apply the interim fix, Fix Pack or PTF containing APARs PI90804 or PI94763 for each named product as soon as practical.
Note: There was an issue with PI90804 for WebSphere Application Server Liberty. You could encounter a Null Pointer Exception when accessing the getHeader() call during a servlet request. If you have already downloaded the interim fix for PI90804 for Liberty we recommned that you replace it with the new interim fixes for PI94763.
For WebSphere Application Server Liberty:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PI94763
--OR--
· Apply Liberty Fix Pack 18.0.0.1 or later.
For WebSphere Application Server traditional and WebSphere Application Server Hypervisor Edition:
For V9.0.0.0 through 9.0.0.6:
· Upgrade to minimal fix pack levels as required by interim fixes and then apply Interim Fix PI90804
--OR--
· Apply Fix Pack 9.0.0.7 or later.
For V8.5.0.0 through 8.5.5.12:
· Upgrade to minimal fix pack levels as required by interim fixes and then apply Interim Fix PI90804
--OR--
· Apply Fix Pack 8.5.5.13 or later.
For V8.0.0.0 through 8.0.0.14:
· Upgrade to a minimal fix pack levels as required by interim fix and then apply Interim Fix PI90804
--OR--
· Apply Fix Pack 8.0.0.15 or later.
Workarounds and Mitigations
none
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Important Note
IBM strongly suggests that all System z customers be subscribed to the System z Security Portal to receive the latest critical System z security and integrity service. If you are not subscribed, see the instructions on the System z Security web site. Security and integrity APARs and associated fixes will be posted to this portal. IBM suggests reviewing the CVSS scores and applying all security or integrity fixes as soon as possible to minimize any potential risk.
References
Change History
03 January 2018: original document published
06 March 2018: updated liberty fixpack level
16 March 2018: updated liberty fixpack level and updated Liberty interim fixes
*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.
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Document Information
Modified date:
15 June 2018
UID
swg22011428