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             AUSCERT External Security Bulletin Redistribution

                               ESB-2014.1774
 Vulnerabilities in Bash affect IBM Security Access Manager for Enterprise
      Single Sign-On Virtual Appliance (CVE-2014-6271, CVE-2014-7169,
        CVE-2014-7186, CVE-2014-7187, CVE-2014-6277, CVE-2014-6278)
                              7 October 2014

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

Product:           IBM Security Access Manager for Enterprise Single Sign-On Virtual Appliance
Publisher:         IBM
Operating System:  Windows
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Modify Arbitrary Files          -- Remote/Unauthenticated
                   Denial of Service               -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2014-7187 CVE-2014-7186 CVE-2014-7169
                   CVE-2014-6278 CVE-2014-6277 CVE-2014-6271

Reference:         ASB-2014.0114
                   ASB-2014.0111
                   ESB-2014.1764
                   ESB-2014.1755
                   ESB-2014.1749
                   ESB-2014.1746
                   ESB-2014.1745
                   ESB-2014.1739

Original Bulletin: 
   http://www-01.ibm.com/support/docview.wss?uid=swg21686171

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Vulnerabilities in Bash affect IBM Security Access Manager for Enterprise 
Single Sign-On Virtual Appliance (CVE-2014-6271, CVE-2014-7169, CVE-2014-7186,
CVE-2014-7187, CVE-2014-6277, CVE-2014-6278)

Document information

More support for:

IBM Security Access Manager for Enterprise Single Sign-On

Software version:

8.2

Operating system(s):

Windows

Reference #:

1686171

Modified date:

2014-10-03

Security Bulletin

Summary

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 
Security Access Manager for Enterprise Single Sign-On Virtual Appliance (ISAM
ESSO VA)

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 local 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: 4.6

CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/96237 for the 
current score

CVSS Environmental Score*: Undefined

CVSS Vector: (AV:L/AC:L/Au:N/C:P/I:P/A:P)

CVE-ID: CVE-2014-7187

DESCRIPTION: GNU Bash could allow a local 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: 4.6

CVSS Temporal Score: See http://xforce.iss.net/xforce/xfdb/96238 for the 
current score

CVSS Environmental Score*: Undefined

CVSS Vector: (AV:L/AC:L/Au:N/C:P/I:P/A:P)

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)

Affected Products and Versions

IBM Security Access Manager for Enterprise Single Sign-On Virtual Appliance 
version 8.2

Remediation/Fixes

Product 					VRMF 			Fix

IBM Security Access Manager for Enterprise 	1.0.1, 1.0.1.1 		8.2.0-ISS-SAMESSO-VA-IF0001
Single Sign-On Virtual Appliance 

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.

Workarounds and Mitigations

None known

References

Complete CVSS Guide

On-line Calculator V2

Related information

IBM Secure Engineering Web Portal

IBM Product Security Incident Response Blog

*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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