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Security Bulletin: Information disclosure in WebSphere Application Server Liberty (CVE-2016-2923)

Security Bulletin


Summary

There is an information disclosure vulnerability in IBM WebSphere Application Server Liberty for any users of the JAX-RS API.

Vulnerability Details

CVEID: CVE-2016-2923
DESCRIPTION:
IBM WebSphere Application Server Liberty using JAX-RS API could allow a remote attacker to obtain sensitive information, caused by the failure to set the HTTPOnly flag. A remote attacker could exploit this vulnerability to obtain sensitive information from the cookie.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/113354 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

Affected Products and Versions

This vulnerability affects the following versions and releases of IBM WebSphere Application Server Liberty for any user of the JAX-RS API

  • Version 8.5.5 Liberty
  • Version 8.5 Liberty

Remediation/Fixes

The recommended solution is to apply the interim fix, Fix Pack or PTF containing APAR PI61936 for each named product as soon as practical.

For V8.5.0.0 through 8.5.5.9 WebSphere Application Server Liberty:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PI61936
--OR--
· Apply Fix Pack 16.0.0.2 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

Off

Change History

29 June 2016: original document published

*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

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

[{"Product":{"code":"SSEQTP","label":"WebSphere Application Server"},"Business Unit":{"code":"BU004","label":"Hybrid Cloud"},"Component":"Liberty","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF010","label":"HP-UX"},{"code":"PF012","label":"IBM i"},{"code":"PF016","label":"Linux"},{"code":"PF027","label":"Solaris"},{"code":"PF033","label":"Windows"},{"code":"PF035","label":"z\/OS"}],"Version":"8.5.5;8.5","Edition":"Liberty"}]

Document Information

Modified date:
15 June 2018

UID

swg21983700