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Security Bulletin: Security Vulnerability in IBM WebSphere Application Server (CVE-2015-1920)

Security Bulletin


Summary

WebSphere Application Server and WebSphere Application Server Hypervisor Edition could allow a remote attacker to execute arbitrary code by connecting to a management port and executing a specific sequence of instructions.

Vulnerability Details

CVEID: CVE-2015-1920
DESCRIPTION:
WebSphere Application Server could allow a remote attacker to execute arbitrary code by connecting to a management port and executing a specific sequence of instructions.
CVSS Base Score: 9.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/102404 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:M/Au:N/C:C/I:C/A:C)

Affected Products and Versions

The following Versions of WebSphere Application Server and IBM WebSphere Application Server Hypervisor Edition may be affected:

  • Version 8.5 and 8.5.5 Full Profile
  • Version 8.0
  • Version 7.0
  • Version 6.1

Remediation/Fixes

For IBM WebSphere Application Server and IBM WebSphere Application Server Hypervisor Edition:
For V8.5.0.0 through 8.5.5.5:

-- OR
  • Apply Fix Pack 6 (8.5.5.6), or later.

For V8.0.0.0 through 8.0.0.10:
  • Apply Fix Pack 3 (8.0.0.3) or later and then apply Interim Fix PI38302
-- OR
  • Apply Fix Pack 11 (8.0.0.11), or later.

For V7.0.0.0 through 7.0.0.37:
  • Apply Fix Pack 21 (7.0.0.21) or later and then apply Interim Fix PI38302
-- OR
  • Apply Fix Pack 39 (7.0.0.39), or later.

For V6.1.0.0 through 6.1.0.47:
  • Apply Fix Pack 47 (6.1.0.47) and then apply Interim Fix PI38302

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

Workarounds and Mitigations

none

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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

28 April 2015: original document published
30 April 2015: fix typo with apply fix pack 10 to 11

*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.

Cross reference information
Segment Product Component Platform Version Edition
Application Servers WebSphere Application Server Hypervisor Edition

Document information

More support for: WebSphere Application Server
General

Software version: 6.1, 7.0, 8.0, 8.5, 8.5.5

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

Software edition: Base, Developer, Express, Network Deployment

Reference #: 1883573

Modified date: 30 April 2015