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Security Bulletin: Multiple vulnerabilities affect Java Server Faces (JSF) used by WebSphere Application Server (CVE-2017-1583, CVE-2011-4343)

Security Bulletin


Summary

There are two potential infomation disclosure vulnerabilities that affects the Java Server Faces (JSF) component used by WebSphere Application Server.

Vulnerability Details

CVEID: CVE-2017-1583
DESCRIPTION:
IBM WebSphere Application Server could allow a remote attacker to obtain sensitive information caused by improper error handling by MyFaces in JSF.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/132342 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)


CVEID: CVE-2011-4343
DESCRIPTION:
Apache MyFaces could allow a remote attacker to obtain sensitive information. An attacker could exploit this vulnerability using specially crafted parameters to inject EL expressions into input fields mapped as view parameters and obtain sensitive information.
CVSS Base Score: 5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/132287 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N)

Affected Products and Versions

These vulnerabilities affects the following versions and releases of IBM WebSphere Application Server:

  • Liberty jsf-2.0 feature
  • Version 8.5
  • Version 8.0

Remediation/Fixes

The recommended solution is to apply the interim fix, Fix Pack or PTF containing APARs PI87300 and PI87299 for each named product as soon as practical.

For WebSphere Application Server Liberty:

For Liberty both fixes are contained in the one interim fix number PI87300.
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PI87300
--OR--
· Apply Liberty Fix Pack 17.0.0.3 or later.

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

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 PI87300 and PI87299
--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 PI87300 and PI87299

--OR--
· Apply Fix Pack 8.0.0.15 or later.

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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

23 October 2017: original document published
24 October 2017: corrected Liberty feature number

*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.

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Document Information

Modified date:
15 June 2018

UID

swg22008707