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Security Bulletin: Denial of Service in Apache CXF used by WebSphere Application Server (CVE-2017-12624)

Security Bulletin


Summary

There is a potential denial of service in Apache CXF that is used by WebSphere Application Server.

Vulnerability Details


CVEID: CVE-2017-12624
DESCRIPTION:
Apache CXF is vulnerable to a denial of service. By using a specially crafted message attachment header, a remote attacker could exploit this vulnerability to cause the JAX-WS and JAX-RS services stop responding.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/135095 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

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

  • Liberty
  • Version 9.0

Remediation/Fixes

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

For WebSphere Application Server Liberty using JAXWS:


· Upgrade to minimal fix pack levels as required by interim fixes and then apply Interim Fix PI92494
--OR--
· Apply Fix Pack 18.0.0.1 or later.

For WebSphere Application Server traditional using JAXRS:

For V9.0.0.0 through 9.0.0.6:
· Upgrade to minimal fix pack levels as required by interim fixes and then apply Interim Fix PI92492
--OR--
· Apply Fix Pack 9.0.0.7 or later.

Get Notified about Future Security Bulletins

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

08 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.

Related information

A Japanese translation is available

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, Liberty, Network Deployment, Single Server

Reference #: 2013597

Modified date: 08 March 2018


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