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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.3163
        Security Bulletin: Vulnerabilities in Eclipse Jetty affect
             the IBM InfoSphere Information Server installers
                              18 October 2018

===========================================================================

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

Product:           IBM InfoSphere Information Server
Publisher:         IBM
Operating System:  AIX
                   Linux variants
                   Solaris
                   Windows
Impact/Access:     Cross-site Scripting           -- Remote with User Interaction
                   Provide Misleading Information -- Remote/Unauthenticated      
                   Access Confidential Data       -- Remote/Unauthenticated      
                   Unauthorised Access            -- Remote/Unauthenticated      
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-12536 CVE-2017-7658 CVE-2017-7657
                   CVE-2017-7656  

Reference:         ESB-2018.2543
                   ESB-2018.2426
                   ESB-2018.1888

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=ibm10732816

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Security Bulletin: Vulnerabilities in Eclipse Jetty affect the IBM InfoSphere
Information Server installers

Document information

More support for: InfoSphere Information Server

Software version: 9.1, 11.3, 11.5, 11.7

Operating system(s): AIX, Linux, Solaris, Windows

Reference #: 0732816

Modified date: 16 October 2018

Summary

Vulnerabilities in Eclipse Jetty was addressed by IBM InfoSphere Information
Server.

Vulnerability Details

CVEID: CVE-2017-7658
DESCRIPTION: Eclipse Jetty is vulnerable to HTTP request smuggling, caused by
a flaw when handling more than one Content-Length headers. By sending a
specially-crafted request, an attacker could exploit this vulnerability to
poison the web cache, bypass web application firewall protection, and conduct
XSS attacks.
CVSS Base Score: 6.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
145522 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)

CVEID: CVE-2018-12536
DESCRIPTION: Eclipse Jetty could allow a remote attacker to obtain sensitive
information. An attacker could send a specially-crafted URL request to the
java.nio.file.InvalidPathException function using an invalid parameter to
cause an error message to be returned containing the full installation path.
An attacker could use this information to launch further attacks against the
affected system.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
145523 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

CVEID: CVE-2017-7656
DESCRIPTION: Eclipse Jetty is vulnerable to HTTP request smuggling, caused by
a flaw in the HTTP/1.x Parser. By sending a specially-crafted request, an
attacker could exploit this vulnerability to poison the web cache, bypass web
application firewall protection, and conduct XSS attacks.
CVSS Base Score: 6.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
145520 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)

CVEID: CVE-2017-7657
DESCRIPTION: Eclipse Jetty is vulnerable to HTTP request smuggling, caused by
improper handling of Chunked Transfer-Encoding chunk size. By sending a
specially-crafted request, an attacker could exploit this vulnerability to
poison the web cache, bypass web application firewall protection, and conduct
XSS attacks.
CVSS Base Score: 6.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
145521 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)

Affected Products and Versions

The following products, running on all supported platforms, are affected:

IBM InfoSphere Information Server: versions 9.1, 11.3, 11.5, and 11.7

IBM InfoSphere Information Server on Cloud: versions 11.5 and 11.7

Remediation/Fixes

Product                      VRMF    APAR     Remediation/First Fix

InfoSphere Information       11.7    JR59721  --Update to the latest Updater for 11.7
Server, Information Server
on Cloud                              

InfoSphere Information       11.5    JR59721  --Update to the latest Updater for 11.5
Server, Information Server
on Cloud                                      --For new installations, use the latest
                                              11.7 release.

InfoSphere Information       11.3    JR59721  --Update to the latest Updater for 11.3
Server                                        --For new installations, use the latest
                                              11.7 release.

InfoSphere Information       9.1     JR59721  --Upgrade to a new release
Server                                        --For new installations, use the latest
                                              11.7 release.

Workarounds and Mitigations

None

Change History

16 October 2018: 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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