Date: 01 October 2014
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AUSCERT External Security Bulletin Redistribution
Security Bulletin: Denial of Service when using e-community single sign on
in IBM Security Access Manager for Web (CVE-2014-4809)
1 October 2014
AusCERT Security Bulletin Summary
Product: IBM Security Access Manager for Web
Operating System: Network Appliance
Impact/Access: Denial of Service -- Remote/Unauthenticated
CVE Names: CVE-2014-4809
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Security Bulletin: Denial of Service when using e-community single sign on in
IBM Security Access Manager for Web (CVE-2014-4809)
More support for:
IBM Security Access Manager for Web
7.0, 22.214.171.124, 126.96.36.199
When using e-community single sign on (ECSSO), the WebSEAL component of IBM
Security Access Manager for Web could become unresponsive under certain
circumstances, possibly resulting in denial of service.
CVE ID: CVE-2014-4809
DESCRIPTION: When configured to use e-community single sign on (ECSSO), the
WebSEAL component of IBM Security Access Manager for Web could become
unresponsive if a number of conditions exist.
The vulnerability can be accessed from a remote network, is of high complexity
and does not require authentication. A successful exploit could not compromise
the confidentiality of the system, could not compromise the integrity of the
system and could completely compromise the accessibility of the system.
CVSS Base Score: 5.4
CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/95376 for the
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:H/Au:N/C:N/I:N/A:C)
Affected Products and Versions
IBM Security Access Manager for Web version 7.0 appliance: All firmware
IBM Security Access Manager for Web version 8.0: Firmware versions 188.8.131.52,
184.108.40.206, and 220.127.116.11
IBM has provided patches for all affected versions. Follow the installation
instructions in the README files included with the patch.
Product VRMF APAR Remediation/First Fix
IBM Security Access Manager for Web - 7.0 18.104.22.168
22.214.171.124 IV64915 7.0.0-ISS-WGA-IF0009
IBM Security Access Manager for Web - 8.0 126.96.36.199
188.8.131.52 IV64915 8.0.0-ISS-WGA-FP0005
Workarounds and Mitigations
This vulnerability can be mitigated by disabling support for e-community
single sign on.
Complete CVSS Guide
On-line Calculator V2
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
29 September 2014: 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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