Security Bulletin: IBM QRadar Network Security is affected by vulnerabilities in bash (CVE-2016-9401, CVE-2016-7543, CVE-2016-0634)

Summary

IBM QRadar Network Security has addressed vulnerabilities in bash.

Vulnerability Details

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&gt; 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)

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&gt; 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-2016-0634**
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&gt; 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)

Affected Products and Versions

IBM QRadar Network Security 5.4

Remediation/Fixes

Product

| VRMF| Remediation/First Fix
—|—|—
IBM QRadar Network Security| Firmware version 5.4| Install Firmware 5.4.0.2 from the Available Updates page of the Local Management Interface, or by performing a One Time Scheduled Installation from SiteProtector.
Or
Download Firmware 5.4.0.2 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

Get Notified about Future Security Bulletins

Subscribe to [My Notifications](< http://www-01.ibm.com/software/support/einfo.html&gt;) to be notified of important product support alerts like this.

References

Complete CVSS v2 Guide
On-line Calculator v2

Complete CVSS v3 Guide
On-line Calculator v3

Off

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.

[{“Product”:{“code”:“SSFSVP”,“label”:“IBM QRadar Network Security”},“Business Unit”:{“code”:“BU059”,“label”:“IBM Software w/o TPS”},“Component”:“–”,“Platform”:[{“code”:“PF009”,“label”:“Firmware”}],“Version”:“5.4”,“Edition”:“”,“Line of Business”:{“code”:“LOB24”,“label”:“Security Software”}}]