Security Bulletin
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
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References
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
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
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Document Information
Modified date:
16 June 2018
UID
swg22003045