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Security Bulletin: GNU C library (glibc) vulnerability affects IBM Integrated Management Module II (IMM2) for System x, Flex and BladeCenter systems (CVE-2015-7547)

Security Bulletin


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

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.

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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.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location

Worldwide

Operating System

BladeCenter:Operating system independent / None

System x:Operating system independent / None

PureFlex System and Flex System:Operating system independent / None

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Document Information

Modified date:
14 April 2023

UID

ibm1MIGR-5099447