CVE-2015-7547 - Patch Availability for Oracle Exalogic Linux Physical and Virtual Racks (Doc ID 2108159.1)

Last updated on JUNE 13, 2017

Applies to:

Oracle Exalogic Elastic Cloud Software - Version 2.0.0.0.0 to 2.0.6.2.4
Linux x86-64
Oracle Virtual Server x86-64
Oracle Exalogic Elastic Cloud Software v2.0.6.x

Goal

This document provides a list of the all the Exalogic Elastic Cloud Software (EECS) releases affected by CVE-2015-7547 along with instructions on how to remediate the vulnerabilities on Compute Nodes and Guest vServers.

Below is overview about CVE-2015-7547 from National Vulnerability Database (NVD):

Multiple stack-based buffer overflows in the (1) send_dg and (2) send_vc functions in the libresolv library in the GNU C Library (aka glibc or libc6) before 2.23 allow remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a crafted DNS response that triggers a call to the getaddrinfo function with the AF_UNSPEC or AF_INET6 address family, related to performing "dual A/AAAA DNS queries" and the libnss_dns.so.2 NSS module.

NOTE: 

CVE-2015-7547 does NOT affect following configurations

  • Exalogic compute nodes running Oracle Linux 5.x in a bare metal configuration

  • Exalogic guest vServers running Oracle Linux 5.x in a bare metal configuration

  • Exalogic compute nodes (dom0) on Virtual

Solution

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