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ESB-2016.0369 - [Win][Linux][AIX] IBM Identity Insight: Multiple vulnerabilities

Date: 16 February 2016
References: ESB-2015.1927  ESB-2015.3057  ESB-2016.0741  ESB-2016.0742  ESB-2016.0743  ESB-2016.1287  

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

                               ESB-2016.0369
      OpenSource libXML2 Vulnerabilities affect Identity Insight 8.1
                             16 February 2016

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

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

Product:           IBM Identity Insight
Publisher:         IBM
Operating System:  AIX
                   Linux variants
                   Windows
Impact/Access:     Execute Arbitrary Code/Commands -- Existing Account            
                   Denial of Service               -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2015-8317 CVE-2015-8242 CVE-2015-8241
                   CVE-2015-8035 CVE-2015-7942 CVE-2015-7941
                   CVE-2015-7500 CVE-2015-7499 CVE-2015-7498
                   CVE-2015-7497 CVE-2015-5312 CVE-2015-1819

Reference:         ESB-2015.3057
                   ESB-2015.1927

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg21975939

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

Security Bulletin: OpenSource libXML2 Vulnerabilities affect Identity Insight
8.1

Security Bulletin

Document information

More support for:

InfoSphere Identity Insight

Software version:

8.1

Operating system(s):

AIX, Linux, Windows

Reference #:

1975939

Modified date:

2016-02-11

Summary

Identity Insight 8.1 product is affected by multiple libXML2 vulnerabilities
(CVE-2015-7941 CVE-2015-7942 CVE-2015-8035 CVE-2015-8241 CVE-2015-8242
CVE-2015-1819 CVE-2015-5312 CVE-2015-7497 CVE-2015-7498 CVE-2015-7499
CVE-2015-7500 CVE-2015-8317).

Vulnerability Details

CVEID:

CVE-2015-7941

DESCRIPTION:

Libxml2 is vulnerable to a denial of service, caused by a heap-based buffer
overflow in the xmlParseEntityDecl or xmlParseConditionalSections function.
By using a specially-crafted XML data, a remote attacker could exploit this
vulnerability to trigger an out-of-bounds read and cause the system to crash.

CVSS Base Score: 4.3

CVSS Temporal Score: See

https://exchange.xforce.ibmcloud.com/vulnerabilities/108071

for the current score

CVSS Environmental Score*: Undefined

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

CVEID:

CVE-2015-7942

DESCRIPTION:

Libxml2 is vulnerable to a denial of service, caused by a heap-based buffer
overflow in the xmlParseConditionalSections function. By using a specially-
crafted XML data, a remote attacker could exploit this vulnerability to
trigger an out-of-bounds read and cause the system to crash.

CVSS Base Score: 4.3

CVSS Temporal Score: See

https://exchange.xforce.ibmcloud.com/vulnerabilities/108073

for the current score

CVSS Environmental Score*: Undefined

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

CVEID:

CVE-2015-8035

DESCRIPTION:

libxml2 is vulnerable to a denial of service, caused by an error when xz
support is enabled. By using a specially-crafted xml file, an local attacker
could exploit this vulnerability to cause the software to crash.

CVSS Base Score: 4

CVSS Temporal Score: See

https://exchange.xforce.ibmcloud.com/vulnerabilities/107845

for the current score

CVSS Environmental Score*: Undefined

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

CVEID:

CVE-2015-8241

DESCRIPTION:

libxml2 is vulnerable to a buffer overflow, caused by improper bounds
checking by the XML parser in xmlNextChar. By using a malformed XML file, a
local attacker could overflow a buffer and execute arbitrary code on the
system or cause the application to crash.

CVSS Base Score: 5.9

CVSS Temporal Score: See

https://exchange.xforce.ibmcloud.com/vulnerabilities/108169

for the current score

CVSS Environmental Score*: Undefined

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

CVEID:

CVE-2015-8242

DESCRIPTION:

libxml2 is vulnerable to a stack-based buffer overflow, caused by improper
bounds checking by the HTML parser in push mode in xmlSAX2TextNode. By using
a malformed XML file, a local attacker could overflow a buffer and execute
arbitrary code on the system or cause the application to crash.

CVSS Base Score: 5.9

CVSS Temporal Score: See

https://exchange.xforce.ibmcloud.com/vulnerabilities/108170

for the current score

CVSS Environmental Score*: Undefined

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

CVEID:

CVE-2015-1819

DESCRIPTION:

Libxml is vulnerable to a denial of service, caused by an XML External Entity
Injection (XXE) error in the xmlreader when processing XML data. A remote
attacker could exploit this vulnerability to consume all available memory
resources.

CVSS Base Score: 5.3

CVSS Temporal Score: See

https://exchange.xforce.ibmcloud.com/vulnerabilities/107272

for the current score

CVSS Environmental Score*: Undefined

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

CVEID:

CVE-2015-5312

DESCRIPTION:

An unspecified error in Libxml2 related to an entity expansion flaw has an
unknown impact and attack vector.

CVSS Base Score: 5.3

CVSS Temporal Score: See

https://exchange.xforce.ibmcloud.com/vulnerabilities/108319

for the current score

CVSS Environmental Score*: Undefined

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

CVEID:

CVE-2015-7497

DESCRIPTION:

Libxml2 is vulnerable to a denial of service, caused by a heap-based buffer
overflow in the xmlDictComputeFastQKey() function. A remote attacker could
exploit this vulnerability to cause a denial of service.

CVSS Base Score: 5.3

CVSS Temporal Score: See

https://exchange.xforce.ibmcloud.com/vulnerabilities/108320

for the current score

CVSS Environmental Score*: Undefined

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

CVEID:

CVE-2015-7498

DESCRIPTION:

An unspecified error in Libxml2 related to the processing of entities after
encoding conversion failures have occured has an unknown impact and attack
vector.

CVSS Base Score: 5.3

CVSS Temporal Score: See

https://exchange.xforce.ibmcloud.com/vulnerabilities/108321

for the current score

CVSS Environmental Score*: Undefined

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

CVEID:

CVE-2015-7499

DESCRIPTION:

An unspecified error in Libxml2 related to some parser errors has an unknown
impact and attack vector.

CVSS Base Score: 5.3

CVSS Temporal Score: See

https://exchange.xforce.ibmcloud.com/vulnerabilities/108322

for the current score

CVSS Environmental Score*: Undefined

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

CVEID:

CVE-2015-7500

DESCRIPTION:

Libxml2 is vulnerable to a denial of service, caused by a memory access error
when handling invalid entity boundaries. A remote attacker could exploit this
vulnerability to cause a denial of service.

CVSS Base Score: 5.3

CVSS Temporal Score: See

https://exchange.xforce.ibmcloud.com/vulnerabilities/108323

for the current score

CVSS Environmental Score*: Undefined

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

CVEID:

CVE-2015-8317

DESCRIPTION:

libxml2 is vulnerable to a heap-based buffer overflow, caused by improper
bounds checking by the xmlParseXMLDecl function. By using a malformed XML
file, a local attacker could overflow a buffer and execute arbitrary code on
the system or cause the application to crash.

CVSS Base Score: 5.9

CVSS Temporal Score: See

https://exchange.xforce.ibmcloud.com/vulnerabilities/108316

for the current score

CVSS Environmental Score*: Undefined

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

Affected Products and Versions

Identity Insight 8.1

Remediation/Fixes

Download and apply isii_8.1.0.4_ifix003 from

Fix Central

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide

On-line Calculator v3

Related information

IBM Secure Engineering Web Portal

IBM Product Security Incident Response Blog

Change History

11 February 2016: 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.

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

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