Fix (APAR):  PH01753

Status:  Fix

Release:  9.0.0.9,9.0.0.8,9.0.0.7,9.0.0.6,9.0.0.5,9.0.0.4,9.0.0.3,9.0.0.2,9.0.0.1,9.0.0.0

Operating System:  AIX,HP-UX,IBM i,Inspur K-UX,Linux,Solaris,Windows,z/OS

Supersedes Fixes:  

CMVC Defect:  xxxxxx

Byte size of APAR:  297637

Date: 2018-10-04

Abstract:  Potential Security Exposure in WebSphere OAuth 2.0 Client (CVE-2018-1794)

Description/symptom of problem:  
PH01753 resolves the following problem:

ERROR DESCRIPTION:
Potential Security Exposure in WebSphere OAuth 2.0 Client (CVE-2018-1794)

LOCAL FIX:?                                                     

PROBLEM SUMMARY:
Potential Security Exposure in WebSphere OAuth 2.0 Client (CVE-2018-1794)

PROBLEM CONCLUSION:
Confidential for Security Integrity ifix CVE-2018-1794. 


Directions to apply fix:  
Install Fix to all WebSphere installations unless special instructions are included below.

Special Instructions:
When an interim fix for this APAR is installed, the fix will not be active on a profile until the installed OAuth 2.0 client application, WebSphereOauth20SP.ear, is updated from the (WAS_HOME)/installableApps directory.  If WebSphereOauth20SP.ear is  not installed in a profile, after installing the ifix, no action is  required for that profile.

NOTE:
The user must:
* Logged in with the same authority level when unpacking a fix, fix pack or refresh pack.
* Be at V1.8.5 or newer of the Installation Manager. Certain iFixes may require a newer version of the Installation Manager and the Installation Manager will inform you during the installation process if a newer version is required.

The IBM Information Center can provide details, if needed, on the use of the Installation Manager to apply the iFixes.
http://www.ibm.com/support/knowledgecenter/SSDV2W_1.8.5/com.ibm.cic.agent.ui.doc/helpindex_imic.html.  Shutdown WebSphere Application Server before applying the iFixes.  Restart WebSphere Application Server after applying the iFixes.

Directions to remove fix:  
The IBM Information Center can provide details, if needed, on the use of the Installation Manager to remove the iFixes.
http://www.ibm.com/support/knowledgecenter/SSDV2W_1.8.5/com.ibm.cic.agent.ui.doc/helpindex_imic.html.  Shutdown WebSphere Application Server before removing the iFixes.  Restart WebSphere Application Server after removing the iFixes.

Directions to re-apply fix:  
1) Shutdown WebSphere Application Server.

2) Follow the Fix instructions to apply the fix.

3) Restart WebSphere Application Server.



Additional Information: