Patch-ID# 103667-08
Keywords: security DNS libresolv.so.2 CERT BIND 4.9.3 in.named named-xfer
Synopsis: SunOS 5.5: /usr/lib/libresolv.so.1 fix 
Date: Mar/05/98

Solaris Release: 2.5

SunOS Release: 5.5

Unbundled Product: 

Unbundled Release: 

Xref: This patch available for x86 as patch 103668

Topic: SunOS 5.5: /usr/lib/libresolv.so.1 fix

	NOTE:	This patch is generated to fix bug 4026266 
	and to workaround the patch architecture bug 4010430 
	(installpatch should ignore a required patch when not 
	applicable to the target system).

BugId's fixed with this patch: 1238679 1247019 1253600 1264386 1265838 4007986 4008451 4018620 4026266 4037068 4038360 4071167 

Changes incorporated in this version: 4071167

Relevant Architectures: sparc

Patches accumulated and obsoleted by this patch: 103703-01 

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
/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
/usr/lib/nss_dns.so.1

Problem Description:

4071167 libresolv.so.1 can cause threaded applications to deadlock via nss_dns.so.1

(from 103667-07)

4026266 DNS/sendmail patch 103667/102980 inconsistency on dataless clients
4008451 in.named should have a configurable listen(3N) backlog
4038360 Applications linked against libresolv.so.1 and running w/ 103663-05 fail
4037068 libresolv does not reread resolv.conf

(from 103667-06)

4038360 Applications linked against libresolv.so.1 and running w/ 103663-05 fail
4037068 libresolv does not reread resolv.conf
4008451 in.named should have a configurable listen(3N) backlog

(from 103667-05)

4018620 DNS server cache corruption and lost of root server A records.

(from 103667-04)

1265838 nslookup takes to long to fail if /etc/resolv.conf is missing

(from 103667-03)

1264386 BIND 4.9.3 integration not complete
4007986 libresolv conflict for libresolv.so.1 apps using DNS via NS switch

(from 103667-02)

1247019 nslookup takes 90 seconds if /etc/resolv.conf file is missing

(from 103667-01)

1238679 DNS spoofing is possible per Cern ca-96.02

(from 103703-01)

1253600 nss_dns.so.1 source modification and rebuild for BIND 4.9.3

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:

        102980-07 or newer       sendmail patch
        103279-02 or newer       nscd/nscd_nischeck rebuild for BIND 4.9.3
        103708-01 or newer       rpc.nisd_resolv rebuild for BIND 4.9.3

       NOTE:   This patch is generated to fix bug 4026266 
        and to workaround the patch architecture bug 4010430 
        (installpatch should ignore a required patch when not 
        applicable to the target system).