ESB-2018.1838 - [Win][Linux][IBM i][HP-UX][Solaris][AIX] IBM WebSphere Application Server: Provide misleading information - Remote with user interaction 2018-06-22

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.1838
Security Bulletin: Information disclosure in Apache Commons HttpClient used
              by WebSphere Application Server (CVE-2012-5783)
                               22 June 2018

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

Product:           IBM WebSphere Application Server
Publisher:         IBM
Operating System:  AIX
                   HP-UX
                   IBM i
                   Linux variants
                   Solaris
                   Windows
                   z/OS
Impact/Access:     Provide Misleading Information -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2012-5783  

Reference:         ESB-2017.0877
                   ESB-2015.1317
                   ESB-2015.1062
                   ESB-2015.0733
                   ESB-2015.0391
                   ESB-2015.0348

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg22016216

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Security Bulletin: Information disclosure in Apache Commons HttpClient used by
WebSphere Application Server (CVE-2012-5783)

Document information

More support for: WebSphere Application Server

Software version: 7.0, 8.0, 8.5, 9.0

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

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

Reference #: 2016216

Modified date: 21 June 2018

Summary

There is a potential information disclosure in Apache Commons HttpClient used
by WebSphere Application Server.

Vulnerability Details

CVEID: CVE-2012-5783
DESCRIPTION: Apache Commons HttpClient, as used in Amazon Flexible Payments
Service (FPS) merchant Java SDK and other products, could allow a remote
attacker to conduct spoofing attacks, caused by the failure to verify that the
server hostname matches a domain name in the subject's Common Name (CN) field
of the X.509 certificate. By persuading a victim to visit a Web site
containing a specially-crafted certificate, an attacker could exploit this
vulnerability using man-in-the-middle techniques to spoof an SSL server.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
79984 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N)

Affected Products and Versions

This vulnerability affects the following versions and releases of IBM
WebSphere Application Server traditional:

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

Remediation/Fixes

The recommended solution is to apply the interim fix, Fix Pack or PTF
containing the APARs for each named product as soon as practical. There are 2
separate interim fixes that may need to be applied, links are provided below:
APARs
PI96685 - for users of JAX-WS Web Services
PI98251 - for users of SOAP Connector (default)

For WebSphere Application Server traditional and WebSphere Application Server
Hypervisor Edition:

For V9.0.0.0 through 9.0.0.8:
. Upgrade to minimal fix pack levels as required by interim fixes and then
apply Interim Fix PI96685 and PI98251           
- --OR--
. Apply Fix Pack 9.0.0.9 or later (targeted availability 3Q2018).

For V8.5.0.0 through 8.5.5.13:
. Upgrade to minimal fix pack levels as required by interim fixes and then
apply Interim Fix PI96685 and PI98251           
- --OR--
. Apply Fix Pack 8.5.5.14 or later (targeted availability 3Q2018).

For V8.0.0.0 through 8.0.0.15:
. Upgrade to a minimal fix pack level as required by interim fixes and then
apply Interim Fix PI96685 and PI98251            

For V7.0.0.0 through 7.0.0.45:
. Upgrade to a minimal fix pack levels as required by interim fixes and then
apply Interim Fix           PI96685 and PI98251           

WebSphere Application Server V7 and V8 are no longer in full support; IBM
recommends upgrading to a fixed, supported version/release/platform of the
product.

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 v2 Guide
On-line Calculator v2

Related information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

21 June 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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