Fix (APAR): PH57715 Status: Fix Release: 9.0.5.17 Operating System: AIX,HP-UX,Linux,Solaris,Windows,z/OS Supersedes Fixes: CMVC Defect: xxxxxx Byte size of APAR: 187976585 Date: 2023-10-24 Abstract: IBM HTTP Server is vulnerable to information disclosure due to the included Apache HTTP Server (CVE-2023-31122 CVSS 7.5) Description/symptom of problem: PH57715 resolves the following problem: ERROR DESCRIPTION: Confidential for Security Integrity interim fix CVE-2023-31122. 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) Post-installation script requirements - **Windows only:** Run `postinstall.bat` from the server root, passing no arguments. - **AIX and Linux**: After an upgrade, running `apachectl start` causes `postinstall.sh` to be re-run automatically. Run `./postinstall.sh` manually if other scripts (such as gskcapicmd) within the IHS/bin/ directory need to be used **prior** to the next `apachectl start`. 5) 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: