Fix (APAR): PI44793 Status: Fix Release: 8.0.0.11,8.0.0.10,8.0.0.9 Operating System: AIX,HP-UX,Linux,Solaris,Windows Supersedes Fixes: CMVC Defect: xxxxxx Byte size of APAR: 704231 Date: 2015-08-28 Abstract: CVE-2015-4947 for IBM HTTP Server Administration Server Description/symptom of problem: PI44793 resolves the following problem: ERROR DESCRIPTION: Vulnerability in the IBM HTTP Server Admin Server could allow a denial of service or remote code execution attack from malicious authenticated requests. LOCAL FIX: PROBLEM SUMMARY: Improper handling of user input by the IHS Admin Server can result in a stack-allocated buffer being overrun as a result of a malicious request. This can only happen on an authenticated request. PROBLEM CONCLUSION: The IHS Admin Server was updated to prevent the potential buffer overflow condition. This fix is targeted for IBM HTTP Server fix packs: - 7.0.0.39 - 8.0.0.12 - 8.5.5.7 Directions to apply fix: Special Instructions: None NOTE: The user must: * Be at V1.4.3 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 Certain iFixes may require a newer version of the Installation Manager and the Installation Manager will inform you during the installation process if a newer version is required. * Be logged in with the same authority level when unpacking a fix, fix pack, or refresh pack. The IBM Knowledge Center can provide details, if needed, on the use of the Installation Manager to apply the interim fix: http://publib.boulder.ibm.com/infocenter/install/v1r4/index.jsp. 1) Shutdown IBM HTTP Server 2) Apply the interim fix using Installation Manager 3) Restart IBM HTTP Server Directions to remove fix: The IBM Knowledge Center can provide details, if needed, on the use of the Installation Manager to remove the interim fix: http://publib.boulder.ibm.com/infocenter/install/v1r4/index.jsp. 1) Shutdown IBM HTTP Server 2) Remove the interim fix using Installation Manager 3) Restart 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: