ESB-2017.3124 - [Appliance] IBM Security Network Protection : Multiple vulnerabilities 2017-12-07

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.3124
     Security Bulletin: IBM Security Network Protection is affected by
          vulnerabilities in OpenSSH (CVE-2016-6210 CVE-2016-6515
                      CVE-2016-10009 CVE-2016-10011)
                              7 December 2017

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

Product:           IBM Security Network Protection
Publisher:         IBM
Operating System:  Network Appliance
Impact/Access:     Execute Arbitrary Code/Commands -- Existing Account      
                   Access Privileged Data          -- Existing Account      
                   Modify Arbitrary Files          -- Existing Account      
                   Denial of Service               -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2016-10009 CVE-2016-6515 CVE-2016-6210

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg22010305

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Security Bulletin: IBM Security Network Protection is affected by 
vulnerabilities in OpenSSH (CVE-2016-6210 CVE-2016-6515 CVE-2016-10009 
CVE-2016-10011)

Security Bulletin

Document information

More support for: IBM Security Network Protection

Software version: 5.3.1, 5.3.3

Operating system(s): Firmware

Reference #: 2010305

Modified date: 06 December 2017

Summary

IBM Security Network Protection has addressed vulnerabilities in OpenSSH.

Vulnerability Details

CVEID: CVE-2016-10011

DESCRIPTION: OpenSSH could allow a local authenticated attacker to obtain 
sensitive information, caused by a privilege separation flaw. An attacker 
could exploit this vulnerability to obtain host private key material and other
sensitive information.

CVSS Base Score: 5.5

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/119830 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:N/A:N)

CVEID: CVE-2016-10009

DESCRIPTION: OpenSSH could allow a remote authenticated attacker to execute 
arbitrary code on the system, caused by the loading of a specially crafted 
PKCS#11 module across a forwarded agent channel. An attacker could exploit 
this vulnerability to write files or execute arbitrary code on the system.

CVSS Base Score: 6.3

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/119828 for the current 
score

CVSS Environmental Score*: Undefined

CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L)

CVEID: CVE-2016-6515

DESCRIPTION: OpenSSH is vulnerable to a denial of service, caused by the 
failure to limit password lengths for password authentication by the 
auth_password function. A remote attacker could exploit this vulnerability 
using an overly long string to consume all available CPU resources.

CVSS Base Score: 7.5

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/115911 for the current 
score

CVSS Environmental Score*: Undefined

CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID: CVE-2016-6210

DESCRIPTION: OpenSSH could allow a remote attacker to obtain sensitive 
information, caused by the increased amount of time to calculate SHA256/SHA512
hash than BLOWFISH hash. An attacker could exploit this vulnerability using a
covert timing channel to enumerate users on system that runs SSHD.

CVSS Base Score: 4.3

CVSS Temporal Score: See 
https://exchange.xforce.ibmcloud.com/vulnerabilities/115128 for the current 
score

CVSS Environmental Score*: Undefined

CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/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 Install Firmware 
5.3.1.15 from the Available Updates page of the Local Management Interface, or
by performing a One Time Scheduled Installation from SiteProtector.

Or

Download Firmware 5.3.1.15 from IBM Security License Key and Download Center 
and upload and install via the Available Updates page of the Local Management
Interface.

Product VRMF Remediation/First Fix

IBM Security Network Protection Firmware version 5.3.3 Install Firmware 
5.3.3.5 from the Available Updates page of the Local Management Interface, or
by performing a One Time Scheduled Installation from SiteProtector.

Or

Download Firmware 5.3.3.5 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

05 December 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.

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