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ESB-2016.0506 - [Linux] IBM Security QRadar SIEM: Execute arbitrary code/commands - Remote/unauthenticated

Date: 26 February 2016
References: ESB-2016.0387  ESB-2016.0394  ESB-2016.0439.2  ESB-2016.0492  ESB-2016.0496  ESB-2016.0514  ASB-2016.0017  ESB-2016.0535  ESB-2016.0549  ESB-2016.0580  
ESB-2016.0596  ESB-2016.0602  ESB-2016.0631  

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2016.0506
 Security Bulletin: GNU C library (glibc) vulnerability affects IBM QRadar
                SIEM and Incident Forensics (CVE-2015-7547)
                             26 February 2016

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

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

Product:           IBM Security QRadar SIEM
Publisher:         IBM
Operating System:  Linux variants
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Denial of Service               -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2015-7547  

Reference:         ESB-2016.0496
                   ESB-2016.0492
                   ESB-2016.0439.2
                   ESB-2016.0394
                   ESB-2016.0387

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg21977665

- --------------------------BEGIN INCLUDED TEXT--------------------

Security Bulletin: GNU C library (glibc) vulnerability affects IBM QRadar
SIEM and Incident Forensics (CVE-2015-7547)

Security Bulletin

Document information

More support for:

IBM Security QRadar SIEM

Software version:

7.1, 7.2

Operating system(s):

Linux

Software edition:

All Editions

Reference #:

1977665

Modified date:

2016-02-25

Summary

A GNU C library (glibc) stack-based buffer overflow in getaddrinfo()
vulnerability affects IBM QRadar SIEM and Incident Forensics.

Vulnerability Details

CVEID:

CVE-2015-7547

DESCRIPTION:

GNU C Library (glibc) is vulnerable to a stack-based buffer overflow, caused
by improper bounds checking by the nss_dns backend for the getaddrinfo()
function when performing dual A/AAAA DNS queries. By sending a specially
crafted DNS response, a remote attacker could overflow a buffer and execute
arbitrary code on the system or cause the application to crash.

CVSS Base Score: 8.1

CVSS Temporal Score: See

https://exchange.xforce.ibmcloud.com/vulnerabilities/110662

for the current score

CVSS Environmental Score*: Undefined

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

Affected Products and Versions

 IBM QRadar SIEM 7.1.n

 IBM QRadar/QRM/QVM/QRIF 7.2.n

Remediation/Fixes

IBM QRadar SIEM 7.1 MR2 Patch 12 Interim Fix 2
IBM QRadar/QRM/QVM/QRIF 7.2.6 Patch 2 Interim Fix 1

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

*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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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
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===========================================================================
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