Patch-ID# 102479-14 Keywords: security DNS libresolv.so.2 CERT BIND 4.9.3 in.named named-xfer Synopsis: SunOS 5.4: libresolv, in.named, named-xfer, nslookup & nstest patch Date: May/31/2001 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: libresolv, in.named, named-xfer, nslookup & nstest patch NOTE: Refer to Special Install Instructions section for IMPORTANT specific information on this patch. Relevant Architectures: sparc BugId's fixed with this patch: 1178808 1238679 1247019 1264425 1265838 1266187 4008451 4018620 4037068 4038360 4056997 4068577 4071167 4086197 4127017 4127028 4133571 4134616 4409676 Changes incorporated in this version: 4409676 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/arpa/nameser.h /usr/include/netdb.h /usr/include/resolv.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: 4409676 CERT Advisory CA-2001-02/Solaris dns (bind) (from 102479-13) 4134616 in.named can hang when calling res_mkquery (from 102479-12) 4133571 BIND has /tmp vulnerabilities 4127028 BIND does not properly bounds check memory references in server and resolver 4127017 Inverse Query in BIND can crash system or give root access to an attacker 4068577 libresolv.so.2 buffer overflow vulnerability per SNI-12 bulletin (from 102479-11) 1264425 install of patch 102479-02 fails NOTE: To fix bugid 1264425 required modifications to the postbackout script. (from 102479-10) 4056997 BIND spoofing vulnerability per SNI-12 bulletin. Also CERT CA-97.22 1266187 function declaration in netdb.h wrong for non-ansi for 4.9.3 (from 102479-09) 4071167 libresolv.so.1 can cause threaded applications to deadlock via nss_dns.so.1 (from 102479-08) 4086197 Patch 102479-07 produces error when installing under jumpstart (from 102479-07) 4038360 Applications linked against libresolv.so.1 and running w/ 103663-05 fail 4037068 libresolv does not reread resolv.conf (from 102479-06) 4008451 in.named should have a configurable listen(3N) backlog (from 102479-05) 4018620 DNS server cache corruption and loss of root server A records. (from 102479-04) 1265838 nslookup takes to 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 newer sendmail patch 102165-03 or newer nss_dns.so.1 rebuild for BIND 4.9.3 103706-01 or newer rpc.nisd_resolv rebuild for BIND 4.9.3 README -- Last modified date: Thursday, May 31, 2001