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             AUSCERT External Security Bulletin Redistribution

                               ESB-2015.2336
       Security Bulletin: Stack Buffer overflow may affect IBM HTTP
                          Server (CVE-2015-4947)
                             7 September 2015

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           IBM HTTP Server
Publisher:         IBM
Operating System:  AIX
                   HP-UX
                   Linux variants
                   Solaris
                   Windows
Impact/Access:     Execute Arbitrary Code/Commands -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2015-4947  

Original Bulletin: 
   https://www-304.ibm.com/support/docview.wss?uid=swg21965419

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Security Bulletin: Stack Buffer overflow may affect IBM HTTP Server 
(CVE-2015-4947)

Document information

More support for:

IBM HTTP Server

Software version:

6.1, 7.0, 8.0, 8.5, 8.5.5

Operating system(s):

AIX, HP-UX, Linux, Solaris, Windows

Reference #:

1965419

Modified date:

2015-09-02

Security Bulletin

Summary

Stack buffer overflow may affect IBM HTTP Server. The IBM HTTP Server is used
by IBM WebSphere Application Server.

Vulnerability Details

CVEID: CVE-2015-4947

DESCRIPTION: IBM HTTP Server Administration Server could be vulnerable to a 
stack buffer overflow, caused by improper handling of user input. An 
authenticated remote attacker could overflow a buffer and execute arbitrary 
code on the system.

CVSS Base Score: 7.5

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/104912 for the current 
score

CVSS Environmental Score*: Undefined

CVSS Vector: (AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

This vulnerability affects the following versions and releases of IBM HTTP 
Server (powered by Apache) component in all editions of WebSphere Application
Server and bundling products.

  Version 8.5.5

  Version 8.5

  Version 8.0

  Version 7.0

  Version 6.1

Remediation/Fixes

The recommended solutions is to apply the interim fix, Fix Pack or PTF 
containing APAR PI44793 for each named product as soon as practical.

For affected IBM HTTP Server for WebSphere Application Server:

For V8.5.0.0 through 8.5.5.6 Full Profile:

 Upgrade to a minimum of Fix Pack 8.5.5.4 or later then apply Interim Fix 
 PI44793

- --OR--

 Apply Fix Pack 8.5.5.7 or later (targeted availability 11 September 2015).

For V8.0 through 8.0.0.11:

 Upgrade to a minimum of Fix Pack 8.0.0.9 or later and then apply Interim Fix
 PI44793

- --OR--

 Apply Fix Pack 8.0.0.12 or later (targeted availability 18 January 2016).

For V7.0.0.0 through 7.0.0.37:

 Upgrade to a minimum of Fix Pack 7.0.0.33 or later and then apply Interim Fix
 PI44793

- --OR--

 Apply Fix Pack 7.0.0.39 or later (targeted availability 02 November 2015).

For V6.1.0.0 through 6.1.0.47:

 Upgrade to Fix Pack 6.1.0.47 and then apply cumulative Interim Fix PI45596, 
 this includes the fix for PI44793

For unsupported versions IBM recommends upgrading to a fixed, supported 
version of the product.

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Subscribe to My Notifications to be notified of important product support 
alerts like this.

References

Complete CVSS v2 Guide

On-line Calculator v2

Related information

IBM Secure Engineering Web Portal

IBM Product Security Incident Response Blog

Change History

2 September 2015: original document published

*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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