ESB-2017.2796 - [Win][Linux][HP-UX][Solaris][AIX] IBM Sterling External Authentication Server: Multiple vulnerabilities 2017-11-03

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.2796
Security Bulletin: Multiple vulnerabilities in IBM Java Runtime affect IBM
                  Sterling External Authentication Server
                              3 November 2017

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           IBM Sterling External Authentication Server
Publisher:         IBM
Operating System:  AIX
                   HP-UX
                   Linux variants
                   Solaris
                   Windows
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Access Confidential Data        -- Remote/Unauthenticated      
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-10116 CVE-2017-10115 

Reference:         ESB-2017.2541
                   ESB-2017.2409
                   ESB-2017.2038
                   ESB-2017.2023

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg22010022

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Security Bulletin: Multiple vulnerabilities in IBM Java Runtime affect IBM
Sterling External Authentication Server

Security Bulletin

Document information

More support for:

Sterling Secure Proxy

External Authentication Server

Software version:

3.4.2, 3.4.3

Operating system(s):

AIX, HP-UX, Linux, Solaris, Windows

Reference #:

2010022

Modified date:

31 October 2017

Summary

There are multiple vulnerabilities in IBM Runtime Environment Java Version
1.8

used by IBM Sterling External Authentication Server. These issues were
disclosed as part of the IBM Java SDK updates in Jul 2017.

Vulnerability Details

CVEID: CVE-2017-10116
DESCRIPTION:
An unspecified vulnerability related to the Java SE Security component could
allow an unauthenticated attacker to take control of the system.
CVSS Base Score: 8.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/128877
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H)

CVEID: CVE-2017-10115
DESCRIPTION:
An unspecified vulnerability related to the Java SE JCE component could allow
an unauthenticated attacker to obtain sensitive information resulting in a
high confidentiality impact using unknown attack vectors.
CVSS Base Score: 7.5
CVSS Temporal Score: See
https://exchange.xfor_blankce.ibmcloud.com/vulnerabilities/128876
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

IBM Sterling External Authentication Server 2.4.3.0 through 2.4.3.0 iFix 4
IBM Sterling External Authentication Server 2.4.2.0 through 2.4.2.0 iFix 7

Remediation/Fixes


Product 					VRMF		iFix		Remediation/First Fix
IBM Sterling External Authentication Server	2.4.3.0		iFix 5		Fix Central
IBM Sterling External Authentication Server	2.4.2.0		iFix 8		Fix Central

Workarounds and Mitigations

None

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

Acknowledgement

None

Change History

31 October 2017: 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.

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.

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