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AUSCERT External Security Bulletin Redistribution
ESB-2017.2196
Security Bulletin: IBM Security Network Protection is
affected by Vulnerabilities in GNU Bash
1 September 2017
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: IBM Security Network Protection
Publisher: IBM
Operating System: Network Appliance
Impact/Access: Root Compromise -- Existing Account
Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2017-2616 CVE-2016-9401 CVE-2016-7543
CVE-2016-0634
Reference: ESB-2017.1975
ESB-2017.1895
ESB-2017.1270
ESB-2017.1144.2
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=swg22003045
http://www.ibm.com/support/docview.wss?uid=swg22003046
Comment: This bulletin contains two (2) IBM security advisories.
- --------------------------BEGIN INCLUDED TEXT--------------------
Security Bulletin: IBM Security Network Protection is affected by
Vulnerabilities in GNU Bash
Security Bulletin
Document information
More support for: IBM Security Network Protection
Software version: 5.3.1, 5.3.3
Operating system(s): Firmware
Reference #: 2003045
Modified date: 31 August 2017
Summary
Security vulnerabilities have been discovered in GNU Bash, which is used by
IBM Security Network Protection. IBM Security Network Protection has addressed
the applicable CVEs.
Vulnerability Details
CVEID: CVE-2016-0634
DESCRIPTION: GNU Bash could allow a local attacker to execute arbitrary code
on the system, caused by an error related to the expansion of the $HOSTNAME.
By injecting the hostname with malicious code, an attacker could exploit this
vulnerability to execute arbitrary code on the system.
CVSS Base Score: 4.9
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/121373 for the current
score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L)
CVEID: CVE-2016-7543
DESCRIPTION: GNU Bash could allow a local attacker to execute arbitrary
commands on the system. An attacker could exploit this vulnerability using
specially crafted SHELLOPTS and PS4 variables to execute arbitrary commands on
the system with root privileges.
CVSS Base Score: 8.4
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/121372 for the current
score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
CVEID: CVE-2016-9401
DESCRIPTION: GNU Bash could allow a local attacker to bypass security
restrictions, caused by a use-after-free error. An attacker could exploit this
vulnerability using a specially crafted address to bypass the restricted
shell.
CVSS Base Score: 4
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/122314 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:L/A:N)
Affected Products and Versions
IBM Security Network Protection 5.3.1
IBM Security Network Protection 5.3.3
Remediation/Fixes
Product VRMF Remediation/First Fix
IBM Security Network Protection Firmware version 5.3.1 Download Firmware 5.3.1.14 from IBM Security License Key
and Download Center and upload and install via the Available
Updates page of the Local Management Interface.
IBM Security Network Protection Firmware version 5.3.3 Download Firmware 5.3.3.4 from IBM Security License Key
and Download Center and upload and install via the Available
Updates page of the Local Management Interface.
Workarounds and Mitigations
None
References
Complete CVSS v3 Guide
On-line Calculator v3
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Change History
31 August 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.
=========================================================================
Security Bulletin: IBM Security Network Protection is affected by a
vulnerability in coreutils (util-linux)
Security Bulletin
Document information
More support for: IBM Security Network Protection
Software version: 5.3.1, 5.3.3
Operating system(s): Firmware
Reference #: 2003046
Modified date: 31 August 2017
Summary
A security vulnerability has been discovered in coreutils (util-linux), which
is used by IBM Security Network Protection.
Vulnerability Details
CVEID: CVE-2017-2616
DESCRIPTION: util-linux could allow a local authenticated attacker to bypass
security restrictions, caused by a race condition when handling the management
of child processes. An attacker could exploit this vulnerability to kill other
processes with root privileges.
CVSS Base Score: 7.8
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/124680 for the current
score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Affected Products and Versions
IBM Security Network Protection 5.3.1
IBM Security Network Protection 5.3.3
Remediation/Fixes
Product VRMF Remediation/First Fix
IBM Security Network Protection Firmware version 5.3.1 Download Firmware
5.3.1.14 from IBM Security License Key and Download Center and upload and
install via the Available Updates page of the Local Management Interface.
IBM Security Network Protection Firmware version 5.3.3 Download Firmware
5.3.3.4 from IBM Security License Key and Download Center and upload and
install via the Available Updates page of the Local Management Interface.
Workarounds and Mitigations
None
References
Complete CVSS v3 Guide
On-line Calculator v3
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Change History
31 August 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.
- --------------------------END INCLUDED TEXT--------------------
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