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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.0787
 Security updates for IBM HTTP Server used by WebSphere Application Server
                               19 March 2018

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

Product:           IBM WebSphere Application Server
Publisher:         IBM
Operating System:  Windows
                   Linux variants
                   AIX
                   HP-UX
                   Solaris
                   z/OS
Impact/Access:     Denial of Service        -- Remote/Unauthenticated
                   Access Confidential Data -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-12613  

Reference:         ESB-2017.3018
                   ESB-2017.2684

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg22013598

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Security Bulletin: Information disclosure in IBM HTTP Server (CVE-2017-12613)

Document information

More support for: WebSphere Application Server
IBM HTTP Server

Software version: 7.0, 8.0, 8.5, 9.0

Operating system(s): AIX, HP-UX, Linux, Solaris, Windows, z/OS

Software edition: Advanced, Base, Enterprise, Network Deployment, Single Server

Reference #: 2013598

Modified date: 15 March 2018

Summary

There is a potential information disclosure in IBM HTTP Server used by
WebSphere Application Server.

Vulnerability Details

CVEID: CVE-2017-12613

DESCRIPTION: Apache Portable Runtime APR could allow a remote attacker to
obtain sensitive information, caused by an out-of-bounds array dereference in
apr_time_exp*() functions. By using an invalid month field value, a remote
attacker could exploit this vulnerability to obtain sensitive information or
cause a denial of service.

CVSS Base Score: 9.1

CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
134049 for the current score

CVSS Environmental Score*: Undefined

CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/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.

  o Version 9.0
  o Version 8.5
  o Version 8.0
  o Version 7.0


Remediation/Fixes

For V9.0.0.0 through 9.0.0.6:
o Upgrade to minimal fix pack levels as required by interim fix and then apply
Interim Fix PI90598  
- --OR--
o Apply Fix Pack 9.0.0.7 or later (targeted availability 16 March 2018).


For V8.5.0.0 through 8.5.5.13:

o Upgrade to minimal fix pack levels as required by interim fix and then apply
Interim Fix PI90598  
- --OR--
o Apply Fix Pack 8.5.5.14 (targeted availability 3Q2018).


For V8.0.0.0 through 8.0.0.14:
o Upgrade to minimal fix pack levels as required by interim fix and then apply
Interim Fix   PI90598  
- --OR--
o Apply Fix Pack 8.0.0.15 or later (targeted availability 2Q2018).


For V7.0.0.0 through 7.0.0.43:
o Upgrade to minimal fix pack levels as required by interim fix and then apply
Interim Fix  PI90598  
- --OR--
o Apply Fix Pack 7.0.0.45 or later (targeted availablility 2Q2018).

Get Notified about Future Security Bulletins

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


Important note

IBM strongly suggests that all System z customers be subscribed to the System z
Security Portal to receive the latest critical System z security and integrity
service. If you are not subscribed, see the instructions on the System z
Security web site. Security and integrity APARs and associated fixes will be
posted to this portal. IBM suggests reviewing the CVSS scores and applying all
security or integrity fixes as soon as possible to minimize any potential risk.


References

Complete CVSS v3 Guide
On-line Calculator v3


Related information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog


Change History

15 March 2018: 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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