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AUSCERT External Security Bulletin Redistribution
Security Bulletin: Fix Available for Denial of Service
Vulnerability in IBM WebSphere Portal (CVE-2015-1943)
24 July 2015
AusCERT Security Bulletin Summary
Product: IBM WebSphere Portal
Operating System: AIX
Impact/Access: Denial of Service -- Remote/Unauthenticated
CVE Names: CVE-2015-1943
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Security Bulletin: Fix Available for Denial of Service Vulnerability in IBM
WebSphere Portal (CVE-2015-1943)
More support for:
6.1, 7.0, 8.0, 8.5
AIX, HP-UX, IBM i, Linux, Solaris, Windows, i5/OS, z/OS
A fix is available for a denial of service vulnerability in IBM WebSphere
DESCRIPTION: IBM WebSphere Portal is vulnerable to a denial of service. By
sending a malicious request, a remote attacker could exploit this
vulnerability to cause the consumption of all CPU or memory resources to cause
a denial of service.
CVSS Base Score: 5
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/103138 for the
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P)
Affected Products and Versions
IBM WebSphere Portal 8.5
IBM WebSphere Portal 8.0
IBM WebSphere Portal 7
IBM WebSphere Portal 6.1
The recommended solution is to apply PI39617 as soon as practical.
Fix: Apply an Interim Fix or a Cumulative Fix containing PI39617.
Upgrade to Cumulative Fix 06 (CF06).
(Combined Cumulative Fixes for WebSphere Portal 18.104.22.168:
For 8.0.0 through 22.214.171.124
Upgrade to Fix Pack 126.96.36.199 with Cumulative Fix 17 (CF17).
(Combined Cumulative Fixes for WebSphere Portal 188.8.131.52:
For 7.0.0 through 184.108.40.206
Upgrade to Fix Pack 220.127.116.11 with Cumulative Fix 29 (CF29) and then apply
the Interim Fix PI39617.
(Combined Cumulative fixes for WebSphere Portal 18.104.22.168:
For 22.214.171.124 through 126.96.36.199
Upgrade to Fix Pack 188.8.131.52 with Cumulative Fix 27 (CF27) and then apply
the Interim Fix PI39617.
(Cumulative fixes for WebSphere Portal 184.108.40.206:
For 220.127.116.11 through 18.104.22.168
Upgrade to Fix Pack 22.214.171.124 with Cumulative Fix 27 (CF27) and then apply
the Interim Fix PI39617.
(Cumulative fixes for WebSphere Portal 126.96.36.199:
Workarounds and Mitigations
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Complete CVSS Guide
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IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
20 July 2015: Original Version 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.
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