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AUSCERT External Security Bulletin Redistribution
ESB-2016.1362
Security Bulletin: Multiple vulnerabilities affect IBM
Security Network Protection
31 May 2016
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: IBM Security Network Protection
Publisher: IBM
Operating System: Network Appliance
Impact/Access: Denial of Service -- Existing Account
Reduced Security -- Remote/Unauthenticated
Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2016-0787 CVE-2015-8631 CVE-2015-8629
Reference: ESB-2016.0458
ESB-2016.0299
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=swg21979372
http://www.ibm.com/support/docview.wss?uid=swg21980157
Comment: This bulletin contains two (2) IBM security advisories.
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Security Bulletin: A vulnerability in libssh2 affects IBM Security Network
Protection (CVE-2016-0787)
Security Bulletin
Document information
More support for:
IBM Security Network Protection
Software version:
5.3.1, 5.3.2
Operating system(s):
Firmware
Reference #:
1979372
Modified date:
2016-05-30
Summary
The libssh2 packages provide a library that implements the SSHv2 protocol. A
security vulnerability has been discovered in libssh2 used with IBM Security
Network Protection.
Vulnerability Details
CVEID:
CVE-2016-0787
DESCRIPTION:
libssh2 could provide weaker than expected security, caused by a type
confusion error during the SSHv2 handshake resulting in the generation of a
reduced amount of random bits for Diffie-Hellman. An attacker could exploit
this vulnerability using the truncated Diffie-Hellman secret to launch
further attacks on the system.
CVSS Base Score: 6.5
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/111562
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)
Affected Products and Versions
IBM Security Network Protection 5.3.1
IBM Security Network Protection 5.3.2
Remediation/Fixes
Product VRMF Remediation/First Fix
IBM Security Network Protection Firmware version 5.3.1 Download Firmware 5.3.1.9 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 5.3.2 Install Firmware 5.3.2.3 from the Available Updates page of the Local Management Interface, or by performing a One Time Scheduled Installation from SiteProtector.
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
Subscribe to
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to be notified of important product support alerts like this.
References
Complete CVSS v3 Guide
On-line Calculator v3
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Change History
30 May 2016: 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.
- ---
Security Bulletin: Vulnerabilities in Kerberos (krb5) affect IBM Security
Network Protection (CVE-2015-8629, and CVE-2015-8631)
Security Bulletin
Document information
More support for:
IBM Security Network Protection
Software version:
5.3.1, 5.3.2
Operating system(s):
Firmware
Reference #:
1980157
Modified date:
2016-05-30
Summary
IBM Security Network Protection uses Kerberos (krb5) to provide network
authentication. The Kerberos (krb5) version that is shipped with IBM Security
Network Protection contains multiple security vulnerabilities.
Vulnerability Details
CVEID:
CVE-2015-8629
DESCRIPTION:
MIT Kerberos could allow a remote authenticated attacker to obtain sensitive
information, caused by a null termination in the xdr_nullstring() function.
By sending specially-crafted data, an attacker could exploit this
vulnerability to obtain sensitive information from the memory.
CVSS Base Score: 4.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/110395
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)
CVEID:
CVE-2015-8631
DESCRIPTION:
MIT Kerberos is vulnerable to a denial of service, caused by the leak of the
client and server name by the rb5_unparse_name() function. By sending
specially-crafted data, a remote authenticated attacker could exploit this
vulnerability to consume all available memory resources.
CVSS Base Score: 4.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/110393
for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L)
Affected Products and Versions
IBM Security Network Protection 5.3.1
IBM Security Network Protection 5.3.2
Remediation/Fixes
Product VRMF Remediation/First Fix
IBM Security Network Protection Firmware version 5.3.1 Download Firmware 5.3.1.9 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 5.3.2 Install Firmware 5.3.2.3 from the Available Updates page of the Local Management Interface, or by performing a One Time Scheduled Installation from SiteProtector.
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
Subscribe to
My Notifications
to be notified of important product support alerts like this.
References
Complete CVSS v3 Guide
On-line Calculator v3
Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Change History
30 May 2016: 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.
- --------------------------END INCLUDED TEXT--------------------
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