Patch-ID# 102479-05 Keywords: security DNS libresolv.so.2 CERT BIND 4.9.3 in.named named-xfer Synopsis: SunOS 5.4: fixes for memory leak, nslookup, dns cache corruption Date: Feb/04/97 Solaris Release: 2.4 SunOS Release: 5.4 Unbundled Product: Unbundled Release: Xref: This patch available on x86 as patch 102480 Topic: SunOS 5.4: fixes for memory leak, nslookup, dns cache corruption BugId's fixed with this patch: 1178808 1238679 1247019 1265838 4018620 Changes incorporated in this version: 4018620 Relevant Architectures: sparc Patches accumulated and obsoleted by this patch: Patches which conflict with this patch: Patches required with this patch: Obsoleted by: Files included with this patch: usr/include/netdb.h usr/include/resolv.h usr/include/arpa/nameser.h usr/lib/libresolv.so.1 usr/lib/libresolv.so.2 usr/lib/nslookup.help usr/sbin/in.named usr/sbin/named-xfer usr/sbin/nslookup usr/sbin/nstest Problem Description: 4018620 DNS server cache corruption and lost of root server A records. (from 102479-04) 1265838 nslookup takes too long to fail if /etc/resolv.conf is missing (from 102479-03) 1247019 nslookup takes 90 seconds if /etc/resolv.conf file is missing (from 102479-02) 1238679 DNS spoofing is possible per Cern ca-96.02 (from 102479-01) 1178808 memory leak/mismanagement in in.named Patch Installation Instructions: -------------------------------- Refer to the Install.info file within the patch for instructions on using the generic 'installpatch' and 'backoutpatch' scripts provided with each patch. Any other special or non-generic installation instructions should be described below. Special Install Instructions: ----------------------------- Please refer to the file called BIND_493 that came with this patch. This document will describe the difference between libresolv.so.1 and libresolv.so.2 and it should provide the BIND 4.9.3 man pages. It is recommended to install the following patches: 102066-11 or higher sendmail patch 102165-03 or higher nss_dns.so.1 rebuild for BIND 4.9.3 103706-01 or higher rpc.nisd_resolv rebuild for BIND 4.9.3