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ESB-2016.0536 - [Win][Linux][HP-UX][Solaris][AIX] IBM Cognos Business Intelligence: Multiple vulnerabilities

Date: 01 March 2016
References: ASB-2016.0004  ESB-2016.0359  ESB-2016.0374  ESB-2016.0386  ESB-2016.0398  ESB-2016.0409  ESB-2016.0465  ESB-2016.0525  ESB-2016.0551  ESB-2016.0552  
ASB-2016.0018.2  

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2016.0536
 Security Bulletin: Several vulnerabilities in the libpng component of IBM
            Cognos Business Intelligence Server (CVE-2015-8126,
                       CVE-2015-8472, CVE-2015-8540)
                               1 March 2016

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

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

Product:           IBM Cognos Business Intelligence
Publisher:         IBM
Operating System:  AIX
                   HP-UX
                   Linux variants
                   Solaris
                   Windows
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Denial of Service               -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2015-8540 CVE-2015-8472 CVE-2015-8126

Reference:         ASB-2016.0004
                   ESB-2016.0525
                   ESB-2016.0465
                   ESB-2016.0409
                   ESB-2016.0398
                   ESB-2016.0386
                   ESB-2016.0374
                   ESB-2016.0359

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg21977053

- --------------------------BEGIN INCLUDED TEXT--------------------

Security Bulletin: Several vulnerabilities in the libpng component of IBM 
Cognos Business Intelligence Server (CVE-2015-8126, CVE-2015-8472, 
CVE-2015-8540)

Document information

More support for: Cognos Business Intelligence

Software version:

10.1, 10.1.1, 10.2, 10.2.1, 10.2.2

Operating system(s):

AIX, HP-UX, Linux, Solaris, Windows

Reference #:

1977053

Modified date:

2016-02-29

Security Bulletin

Summary

Several vulnerabilities has been addressed in the libpng component of IBM 
Cognos Business Intelligence Server.

Vulnerability Details

CVEID: CVE-2015-8126

DESCRIPTION: libpng is vulnerable to a buffer overflow, caused by improper 
bounds checking by the png_set_PLTE() and png_get_PLTE() functions. By 
persuading a victim to open a specially-crafted PNG file, a remote attacker 
could overflow a buffer and execute arbitrary code on the system.

CVSS Base Score: 7.800

CVSS Temporal Score: 
https://exchange.xforce.ibmcloud.com/vulnerabilities/108010 for more 
information

CVSS Environmental Score*: Undefined

CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)

CVEID: CVE-2015-8472

DESCRIPTION: libpng is vulnerable to a buffer overflow, caused by improper 
bounds checking by the png_get_PLTE() and png_set_PLTE() functions. By 
persuading a victim to open a specially crafted PNG image, a remote attacker 
could overflow a buffer and execute arbitrary code on the system or cause the
application to crash.

CVSS Base Score: 6.300

CVSS Temporal Score: 
https://exchange.xforce.ibmcloud.com/vulnerabilities/109392 for more 
information

CVSS Environmental Score*: Undefined

CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L)

CVEID: CVE-2015-8540

DESCRIPTION: libpng is vulnerable to a buffer overflow, caused by a read 
underflow in png_check_keyword in pngwutil.c. By sending an overly long 
argument, a remote attacker could overflow a buffer and execute arbitrary code
on the system or cause the application to crash.

CVSS Base Score: 9.800

CVSS Temporal Score: 
https://exchange.xforce.ibmcloud.com/vulnerabilities/109219 for more 
information

CVSS Environmental Score*: Undefined

CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

IBM Cognos Business Intelligence Server 10.2.2

IBM Cognos Business Intelligence Server 10.2.1.1

IBM Cognos Business Intelligence Server 10.2.1

IBM Cognos Business Intelligence Server 10.2

IBM Cognos Business Intelligence Server 10.1.1

IBM Cognos Business Intelligence Server 10.1

Remediation/Fixes

The recommended solution is to apply the fix for versions listed as soon as 
practical.

10.1.x: http://www-01.ibm.com/support/docview.wss?uid=swg24041799

10.2.x: http://www-01.ibm.com/support/docview.wss?uid=swg24041800

Workarounds and Mitigations

None known. Apply fixes.

Get Notified about Future Security Bulletins

Subscribe to My Notifications to be notified of important product support 
alerts like this.

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

*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.

- --------------------------END INCLUDED TEXT--------------------

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