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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== 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 Get Notified about Future Security Bulletins Subscribe to My Notifications to be notified of important product support 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 *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-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBVs+i2n6ZAP0PgtI9AQL0dhAAmRYFN3c8gb32BSTT0SlO67In27Ujl0kH eQoSu2i9aTZ9YhQVUmzPulfrxj86GdvzozPGDg7vSjQmt2Jt+TjCtmFDaDJQcz2+ hCr+MLYC6xun7kFG1xWjBv3TdLxwXa9nH0ejnd1GVCR5U0RtngZunSPpnjVVSvuZ fkwCJhWZK3QbG++T4kSetX35ZPEK7In3FOo2TdasgdjDrF+zYbkWEIuxyu9tikvH G9UdHBf91Dszq4pjNa+0vpBWbbEtOeDKCgf0gh7QsIEifqvBmxXpETPRwKPFotWC tf0uy0eAf8J5vHGbtv1x/NYWHeOIE9Zs0DoVyMtXoFr189pwaGLxoCGFZyuv5u+e R8OKYbWkuCpcgogUwisnrnksVfi1LThqn8ZcpUk3HiPBiOawNF5fMVGpcEuIz3bh tR2u5lqwM+9EMoWL2ch3Pqr1Oy3EA985tMcXZPqUbN2Yjq6fEL7ZN+HZetVt5joo rdY32FesS+Z+eSE4qrRrpeV7zpwrVjAZuONNYnKo20eibz+CvsTz44AIU+iZjHY4 neSLmgZBGBg9ldUZHJSlDXT78/xkFfGUk5qX10/6lZD9jeedqmBxCO9aaFq9svmW SZcaSkUrnEKwHwp0AA/5MDi4G7iFF4X2TExoqxgCCM+7SGLlnlyX3m+T6tdbcfSe Rvdal3kkZts= =G9r4 -----END PGP SIGNATURE-----