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Security Bulletin: Information disclosure in WebSphere Application Server with SAML (CVE-2018-1614)

Security Bulletin


Summary

There is a potential Information disclosure vulnerability in WebSphere Application Server using SAML.

Vulnerability Details

CVEID: CVE-2018-1614
DESCRIPTION: IBM WebSphere Application Server using malformed SAML responses from the SAML identity provider could allow a remote attacker to obtain sensitive information.
CVSS Base Score: 5.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/144270 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N)

Affected Products and Versions

This vulnerability affects the following versions and releases of IBM WebSphere Application Server:

  • 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 PI78804 for each named product as soon as practical.

For WebSphere Application Server traditional and WebSphere Application Server Hypervisor Edition:

For V9.0.0.0 through 9.0.0.8:
· Upgrade to minimal fix pack levels as required by interim fixes and then apply Interim Fix PI78804
--OR--
· Apply Fix Pack 9.0.0.9 or later.

For V8.5.0.0 through 8.5.5.13:
· Upgrade to minimal fix pack levels as required by interim fixes and then apply Interim Fix PI78804
--OR--
· Apply Fix Pack 8.5.5.14 or later.

For V8.0.0.0 through 8.0.0.15:
· Upgrade to a minimal fix pack levels as required by interim fix and then apply Interim Fix PI78804


WebSphere Application Server V8 is no longer in full support; IBM recommends upgrading to a fixed, supported version/release/platform of the product.

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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

21 June 2018: original document published
02 July 2018: version 7 is not vulnerable, removed reference to that version

*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.

[{"Business Unit":{"code":"BU004","label":"Hybrid Cloud"},"Product":{"code":"SSEQTP","label":"WebSphere Application Server"},"Component":"SAML","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"9.0;8.5;8.0","Edition":""}]

Document Information

Modified date:
19 February 2019

UID

swg22016887