Fix (APAR):  PH53014

Status:  Fix

Release:  9.0.5.14

Operating System:  AIX,Linux,Windows

Supersedes Fixes:  PH52860 PH51982 PH50316

CMVC Defect:  xxxxxx

Byte size of APAR:  187583885

Date: 2023-03-14

Abstract:  IBM HTTP Server is vulnerable to HTTP request splitting due to the included Apache HTTP Server (CVE-2023-25690 CVSS 6.1)

Description/symptom of problem:  
PH53014 resolves the following problem:

ERROR DESCRIPTION:
Confidential for Security Integrity interim fix CVE-2023-25690.


Directions to apply fix:  
1) Stop IBM HTTP Server. AIX Only: run "slibclean" as root.
2) Backup your IBM HTTP Server installation directory
3) Extract this interim fix with your IBM HTTP Server installation as your working directory
4) Start IBM HTTP Server

Directions to remove fix:  
1) Stop IBM HTTP Server. AIX Only: run "slibclean" as root.
2) Restore earlier IBM HTTP Server installation root from backup. Or, extract a previous maintenance level archive install on top of current installation
2) Start IBM HTTP Server

Directions to re-apply fix:  
1) Stop IBM HTTP Server.
2) Follow the directions to apply the fix.
3) Restart IBM HTTP Server.


Additional Information: