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

                              ESB-2017.1972.2
    Security Bulletin: Multiple vulnerabilities affect Watson Explorer
                              23 August 2018

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

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

Product:           IBM Watson Explorer
Publisher:         IBM
Operating System:  Linux variants
                   Windows
Impact/Access:     Denial of Service -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-5601 CVE-2016-10350 CVE-2016-10349
                   CVE-2016-10209 CVE-2016-8689 CVE-2016-8688

Reference:         ESB-2017.0623

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg22006995

Revision History:  August 23 2018: Added Version 10 information
                   August 10 2017: Initial Release

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

Security Bulletin: Multiple vulnerabilities affect Watson Explorer
(CVE-2016-8688, CVE-2016-8689, CVE-2017-5601, CVE-2016-10209, CVE-2016-10350,
CVE-2016-10349)

Document information

More support for: Watson Explorer

Software version: 10.0.0, 10.0.0.1, 10.0.0.2, 10.0.0.3, 10.0.0.4, 11.0.0,
11.0.0.1, 11.0.0.2, 11.0.0.3, 11.0.1, 11.0.2

Operating system(s): Linux, Windows

Reference #: 2006995

Modified date: 22 August 2018

Summary

Multiple libarchive vulnerabilities affect Watson Explorer.

Vulnerability Details

CVEID: CVE-2016-8688
DESCRIPTION: libarchive is vulnerable to a denial of service, caused by an an
invalid read error in the detect_form or bid_entry function in libarchive/
archive_read_support_format_mtree.c. By persuading a victim to open a
specially crafted file, a remote attacker could exploit this vulnerability to
cause the application to crash.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
122105 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-2016-8689
DESCRIPTION: libarchive is vulnerable to a denial of service, caused by an
out-of-bounds read error in the read_Header function in
archive_read_support_format_7zip.c. By persuading a victim to open a specially
crafted archive file, a remote attacker could exploit this vulnerability to
cause the application to crash.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
122106 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-2017-5601
DESCRIPTION: libarchive is vulnerable to a denial of service, caused by an
out-of-bounds memory access error in the lha_read_file_header_1() function. By
persuading a victim to open a specially crafted archive file, a remote
attacker could exploit this vulnerability to cause the application to crash.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
121360 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-2016-10209
DESCRIPTION: libarchive is vulnerable to a denial of service, caused by a NULL
pointer dereference in archive_wstring_append_from_mbs function in
archive_string.c. By persuading a victim to read a specially crafted archive
file, a remote attacker could exploit this vulnerability to cause the
application to crash.
CVSS Base Score: 3.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
127053 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

CVEID: CVE-2016-10350
DESCRIPTION: libarchive is vulnerable to a denial of service, caused by a
heap-based buffer over-read in the archive_read_format_cab_read_header
function in archive_read_support_format_cab. By persuading a victim to open a
specially crafted file, a remote attacker could exploit this vulnerability to
cause the application to crash.
CVSS Base Score: 6.2
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
126671 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:H)

CVEID: CVE-2016-10349
DESCRIPTION: libarchive is vulnerable to a denial of service, caused by a flaw
in the archive_le32dec function in archive_endian.h. By persuading a victim to
open a specially crafted file, a remote attacker could exploit this
vulnerability to cause a heap-based buffer over-read which leads to an
application crash.
CVSS Base Score: 6.2
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
126670 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:H)

Affected Products and Versions

These vulnerabilities apply to the following products and versions:

  o Watson Explorer Foundational Components version 10.0.0.4 and earlier.
  o Watson Explorer Foundational Components version 11.0.0.3 and earlier,
    version 11.0.1, version 11.0.2.

Remediation/Fixes

Follow these steps to upgrade to the required version of libarchive. The table
reflects product names at the time the specified versions were released. To
use the link to Fix Central in this table, you must first log in to the IBM
Support: Fix Central site at http://www.ibm.com/support/fixcentral/ .
 

+---------------------+-------------+----------------------------------------+
|                     |Affected     |                                        |
|  Affected Product   |Versions     |    How to acquire and apply the fix    |
+---------------------+-------------+----------------------------------------+
|IBM Watson Explorer  |11.0 -       |Upgrade to Version 11.0.2.1.            |
|Foundational         |11.0.0.3,    |                                        |
|Components           |11.0.1,      |See Watson Explorer Version 11.0.2.1    |
|                     |11.0.2       |Foundational Components for download    |
|                     |             |information and instructions.           |
+---------------------+-------------+----------------------------------------+
|                     |             |Upgrade to 10.0.0.5.                    |
|IBM Watson Explorer  |10.0 -       |                                        |
|Foundational         |10.0.0.4     |See Watson Explorer Version 10.0.0.5    |
|Components           |             |Foundational Components for download    |
|                     |             |information and instructions.           |
+---------------------+-------------+----------------------------------------+

Change History

22 Aug 2018 : Added Version 10 information
7 Aug 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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