A GNU C library (glibc) stack-based buffer overflow in getaddrinfo() vulnerability affects IBM Integrated Management Module II (IMM2) for System x, Flex and BladeCenter systems.
Summary
A GNU C library (glibc) stack-based buffer overflow in
getaddrinfo() vulnerability affects IBM Integrated Management
Module II (IMM2) for System x, Flex and BladeCenter systems.
Vulnerability Details
CVE-ID: 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 http://exchange.xforce.ibmcloud.com/vulnerabilities/110662
for 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
Product |
Affected Version |
IBM Integrated Management Module II (IMM2) for
System x, Flex and BladeCenter systems |
1aoo |
Remediation/Fixes
Firmware fix versions are available on Fix Central: http://www.ibm.com/support/fixcentral/
Product |
Fix Version |
IBM Integrated Management Module II (IMM2) for
System x, Flex and BladeCenter systems
ibm_fw_imm2_1aoo72h-5.60_anyos_noarch
ibm_fw_imm2_1aoo72h-5.60_bc-anyos_noarch |
1aoo72h-5.60 |
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.
Workarounds and Mitigations
None.
References
Related Information
IBM
Secure Engineering Web Portal
IBM Product Security
Incident Response Blog
Acknowledgement
None.
Change History
02 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.
References
On
*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.
BladeCenter:Operating system independent / None
System x:Operating system independent / None
PureFlex System and Flex System:Operating system independent / None
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