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AUSCERT External Security Bulletin Redistribution
ESB-2016.0580
Security Bulletin: GNU C library (glibc) vulnerability affects IBM Security
Identity Manager Virtual Appliance (CVE-2015-7547)
4 March 2016
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM Security Identity Manager
Publisher: IBM
Operating System: Linux variants
AIX
Solaris
Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2015-7547
Reference: ASB-2016.0017
ESB-2016.0555
ESB-2016.0549
ESB-2016.0535
ESB-2016.0514
ESB-2016.0506
ESB-2016.0496
Original Bulletin:
http://www.ibm.com/support/docview.wss?uid=swg21977801
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Security Bulletin: GNU C library (glibc) vulnerability affects IBM Security
Identity Manager Virtual Appliance (CVE-2015-7547)
Document information
More support for:
IBM Security Identity Manager
Identity Manager Virtual Appliance
Software version:
7.0
Operating system(s):
Linux, Platform Independent
Reference #:
1977801
Modified date:
2016-03-03
Security Bulletin
Summary
A GNU C library (glibc) stack-based buffer overflow in getaddrinfo()
vulnerability affects IBM Security Identity Manager Virtual Appliance
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 Security Identity Manager versions 7.0, 7.0.0.2, 7.0.0.3 and 7.0.1
Remediation/Fixes
Product VRMF Remediation/First Fix
IBM Security Identity Manager 7.0.1.0 apply 7.0.1.0-ISS-SIM-IF0001
Virtual Appliance
IBM Security Identity Manager 7.0.0.0 Upgrade firmware to ISIM VA 7.0.1
Virtual Appliance 7.0.0.2 and
7.0.0.3 apply 7.0.1.0-ISS-SIM-IF0001
Once updates have been applied, any process using glibc will need to be
restarted. Given that nearly all system processes use glibc, rebooting after
upgrading is suggested.
IBM recommends that you review your entire environment to identify vulnerable
releases of glibc including your Operating Systems and take appropriate
mitigation and remediation actions. Please contact your Operating System
provider for more information.
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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
24 Feb 2016: Initial
3 Mar 2016: First Publish
*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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