libbind9.so is vulnerable to denial of service. An attacker is able to trigger an infinite recursion in lwresd
and named
using a non absolute name for getrrsetbyname
that exceeds the maximum allowable length, resulting in a denial of service condition.
access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/6.9_Release_Notes/index.html
access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/6.9_Technical_Notes/index.html
access.redhat.com/errata/RHBA-2017:0651
access.redhat.com/security/cve/CVE-2016-2775
bugzilla.redhat.com/show_bug.cgi?id=1259923
bugzilla.redhat.com/show_bug.cgi?id=1297562
bugzilla.redhat.com/show_bug.cgi?id=1313286
bugzilla.redhat.com/show_bug.cgi?id=1321239