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             AUSCERT External Security Bulletin Redistribution

                               ESB-2016.2025
    Security Bulletin: GNU C library (glibc) vulnerabilities affect IBM
              Security Network Active Bypass (CVE-2014-9761,
                       CVE-2015-8778, CVE-2015-8779)
                              23 August 2016

===========================================================================

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

Product:           IBM Security Network Active Bypass
Publisher:         IBM
Operating System:  Network Appliance
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Denial of Service               -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2015-8779 CVE-2015-8778 CVE-2014-9761

Reference:         ESB-2016.0394

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg21988053

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Security Bulletin: GNU C library (glibc) vulnerabilities affect IBM Security
Network Active Bypass (CVE-2014-9761, CVE-2015-8778, CVE-2015-8779)

Security Bulletin

Document information

More support for:

IBM Security Network Active Bypass

Software version:

3.0

Operating system(s):

Firmware

Software edition:

All Editions

Reference #:

1988053

Modified date:

2016-08-22

Summary

GNU C library (glibc) vulnerabilities were found that affect IBM Security
Network Active Bypass.

Vulnerability Details

CVEID:

CVE-2014-9761

DESCRIPTION:

GNU C Library (glibc) is vulnerable to a stack-based buffer overflow, caused
by improper bounds checking by the nan function. By sending an overly long
string, a remote attacker could overflow a buffer and execute arbitrary code
on the system or cause the application to crash.

CVSS Base Score: 5.6

CVSS Temporal Score: See

https://exchange.xforce.ibmcloud.com/vulnerabilities/111085

for the current score

CVSS Environmental Score*: Undefined

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

CVEID:

CVE-2015-8778

DESCRIPTION:

GNU C Library (glibc) could allow a remote attacker to execute arbitrary code
on the system, caused by an integer overflow in hcreate and hcreate_r. An
attacker could exploit this vulnerability to trigger an out-of-bound memory
access and execute arbitrary code on the system or cause the application to
crash.

CVSS Base Score: 5.6

CVSS Temporal Score: See

https://exchange.xforce.ibmcloud.com/vulnerabilities/111086

for the current score

CVSS Environmental Score*: Undefined

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

CVEID:

CVE-2015-8779

DESCRIPTION:

GNU C Library (glibc) is vulnerable to a stack-based buffer overflow, caused
by improper bounds checking by the catopen function. By sending an overly
long string, a remote attacker could overflow a buffer and execute arbitrary
code on the system or cause the application to crash.

CVSS Base Score: 5.6

CVSS Temporal Score: See

https://exchange.xforce.ibmcloud.com/vulnerabilities/111087

for the current score

CVSS Environmental Score*: Undefined

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

Affected Products and Versions

IBM Security 1G Network Active Bypass firmware version 1.X firmware levels
1.0.849 through 3.30.4-12

IBM Security 10G Network Active Bypass firmware versions 1.x firmware levels
1.0.1876 through 3.30.4-12

Remediation/Fixes

Product                                       VRMF    Remediation/First Fix
IBM Security Proventia Network Active Bypass  1.X     Proventia 1G NAB Update 20 (fw 3.30.5-21)
IBM Security Proventia Network Active Bypass  1.X     Proventia 10G NAB Update 17 (fw 3.30.5-21)

IBM recommends upgrading to 3.30.5-21, the supported firmware release of the
product.

Workarounds and Mitigations

None

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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 August 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.

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