9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
10 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
Abstract
Six Bash vulnerabilities were disclosed in September 2014. This
bulletin addresses the vulnerabilities that have been referred to
as “Bash Bug” or “Shellshock” and two memory corruption
vulnerabilities. Bash is used by IBM Flex System 40Gb
Six Bash vulnerabilities were disclosed in September 2014. This bulletin addresses the vulnerabilities that have been referred to as “Bash Bug” or “Shellshock” and two memory corruption vulnerabilities. Bash is used by IBM Flex System 40Gb Ethernet/IB6131 40Gb Infiniband Switch Firmware.
Vulnerability Details:
CVE-ID: CVE-2014-6271
Description: GNU Bash could allow a remote attacker to execute arbitrary commands on the system, caused by an error when evaluating specially-crafted environment variables passed to it by the bash functionality. An attacker could exploit this vulnerability to write to files and execute arbitrary commands on the system.
CVSS Base Score: 10.0
CVSS Temporal Score: See <http://xforce.iss.net/xforce/xfdb/96153> for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:C/I:C/A:C)
CVE-ID: CVE-2014-7169
Description: GNU Bash could allow a remote attacker to execute arbitrary commands on the system, caused by an incomplete fix related to malformed function definitions in the values of environment variables. An attacker could exploit this vulnerability using attack vectors involving the ForceCommand feature in OpenSSH sshd, the mod_cgi and mod_cgid modules in the Apache HTTP Server to write to files and execute arbitrary commands on the system.
CVSS Base Score: 10.0
CVSS Temporal Score: See <http://xforce.iss.net/xforce/xfdb/96209> for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:C/I:C/A:C)
CVE-ID: CVE-2014-7186
Description: GNU Bash could allow a remote attacker to execute arbitrary code on the system, caused by an out-of-bounds memory access while handling redir_stack. An attacker could exploit this vulnerability to execute arbitrary code on the system or cause a denial of service.
CVSS Base Score: 10
CVSS Temporal Score: See <http://xforce.iss.net/xforce/xfdb/96237> for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:C/I:C/A:C)
CVE-ID: CVE-2014-7187
Description: GNU Bash could allow a remote attacker to execute arbitrary code on the system, caused by an off-by-one-error when handling deeply nested flow control constructs. An attacker could exploit this vulnerability to execute arbitrary code on the system or cause a denial of service.
CVSS Base Score: 10
CVSS Temporal Score: See <http://xforce.iss.net/xforce/xfdb/96238> for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:C/I:C/A:C)
CVE-ID: CVE-2014-6277
Description: GNU Bash could allow a remote attacker to execute arbitrary code on the system, caused by an incomplete fix related to the failure to properly parse function definitions in the values of environment variables. An attacker could exploit this vulnerability using attack vectors involving the ForceCommand feature in OpenSSH sshd, the mod_cgi and mod_cgid modules in the Apache HTTP Server to execute arbitrary code on the system or cause a denial of service.
CVSS Base Score: 10.0
CVSS Temporal Score: See <http://xforce.iss.net/xforce/xfdb/96686> for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:C/I:C/A:C)
CVE-ID: CVE-2014-6278
Description: GNU Bash could allow a remote attacker to execute arbitrary code on the system, caused by an incomplete fix related to the parsing of user scripts. An attacker could exploit this vulnerability to execute arbitrary code on the system or cause a denial of service.
CVSS Base Score: 10.0
CVSS Temporal Score: See <http://xforce.iss.net/xforce/xfdb/96687> for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (AV:N/AC:L/Au:N/C:C/I:C/A:C)
All versions of are IBM Flex System 40Gb Ethernet/IB6131 40Gb Infiniband Switch Firmware affected.
IBM Flex System 40Gb Ethernet/IB6131 40Gb Infiniband Switch Firmware v3.4.000 fixes these Bash vulnerabilities, and is available from the following location: http://www.ibm.com/support/fixcentral/systemx/quickorder?parent=Enterprise+Chassis&product=ibm/systemx/8724&&platform=All&function=fixId&fixids=mlnx_fw_ppc_m460ex-sx-3.4.0000_anyos_noarch
IBM recommends that you review your entire environment to identify vulnerable releases of Bash including your Operating Systems and take appropriate mitigation and remediation actions. Please contact your Operating System provider for more information.
None.
Related Information:
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Subscribe to Security Bulletins
Acknowledgement
None
Change History
12/05/2014: Original Copy Published
Note: 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.
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
10 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C