Security Bulletin: Vulnerability in IBM WebSphere Application Server Edge Component Caching Proxy (CVE-2015-5004)
The Edge Component Caching Proxy in IBM WebSphere Application Server could provide weaker than expected security. This is only an issue if you are using the Edge Caching proxy.
DESCRIPTION: IBM WebSphere Application Server Edge Component Caching Proxy could provide weaker than expected security. This could allow an attacker to decrypt information more quickly and obtain sensitive information.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/106218 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N)
Affected Products and Versions
The following IBM WebSphere Application Server Versions are affected:
- Version 8.5 Full Profile
- Version 8.0
The recommended solution is to apply the Fix Pack or PTF for each named product as soon as practical.
Apply an Interim Fix, Fix Pack or PTF containing APAR PI41476, as noted below:
For IBM WebSphere Application Server
For V184.108.40.206 through 220.127.116.11:
- Upgrade to 18.104.22.168 fix pack level then apply Interim Fix 8.5.5-WS-EDGECP-FP00000071
- Upgrade to 22.214.171.124 fix pack level then apply Interim Fix 8.5.5-WS-EDGECP-FP00000062
- Apply Fix Pack 8 (126.96.36.199), or later.
For V188.8.131.52 through 184.108.40.206:
- Upgrade to 220.127.116.11 fix pack level then apply Interim Fix 8.0.0-WS-EDGECP-FP000000111
- Upgrade to 18.104.22.168 fix pack level then apply Interim Fix 8.0.0-WS-EDGECP-FP000000101
- Apply Fix Pack 12 (22.214.171.124), or later.
Workarounds and Mitigations
Get Notified about Future Security Bulletins
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.
11 December 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.
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.
More support for:
WebSphere Application Server
Software version: 8.0, 8.5, 8.5.5
Operating system(s): AIX, HP-UX, IBM i, Linux, Solaris, Windows, z/OS
Reference #: 1966638
Modified date: 28 April 2016
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