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

Security Bulletin


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 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


· 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


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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.


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.

Document information

More support for: IBM QRadar SIEM

Component: Not Applicable

Software version: 7.1, 7.2

Operating system(s): Linux

Software edition: All Editions

Reference #: 1977665

Modified date: 16 June 2018