OBSOLETE Patch-ID# 114565-09

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Keywords: security ftp dos retry connect in.ftpd
Synopsis: Obsoleted by: 114565-10 SunOS 5.9_x86: /usr/sbin/in.ftpd Patch
Date: May/19/2006


Install Requirements: Install in Single User Mode                      
                      
Solaris Release: 9_x86

SunOS Release: 5.9_x86

Unbundled Product: 

Unbundled Release: 

Xref: This patch available for SPARC as patch 114564

Topic: SunOS 5.9_x86: /usr/sbin/in.ftpd Patch

Relevant Architectures: i386

BugId's fixed with this patch: 4705192 4706072 4714534 4791264 4806960 4864687 4902032 5012436 5015948 5016478 6239487 6316337

Changes incorporated in this version: 5012436

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/sbin/ftpconfig
/usr/sbin/ftpcount
/usr/sbin/ftprestart
/usr/sbin/ftpshut
/usr/sbin/ftpwho
/usr/sbin/in.ftpd
/usr/sbin/privatepw

Problem Description:

5012436 restricted-uid and restricted-gid restrictions may be bypassed
 
(from 114565-08)
 
6316337 Missing ftpconfig deliverable from T114564-07 / T114565-07
 
(from 114565-07)
 
4806960 IP6.ARPA domain should be used for IPv6 address to DNS name mapping
4902032 in.ftpd (wu) bypasses /etc/nsswitch.conf
4791264 deny !nameserved doesn't deny access when it should
5015948 ftpconfig should include libresolv.so.2 in the chroot area
 
(from 114565-06)
 
6239487 in.ftpd has a globbing problem in the wu_fnmatch() function
 
(from 114565-05)
 
6239487 in.ftpd has a globbing problem in the wu_fnmatch() function
 
(from 114565-04)
 
5016478 The limit of NLST(ftp) on Solaris 9 is too small.
 
(from 114565-03)
 
4864687 Solaris 9 ftpd slow with PUT
 
(from 114565-02)
 
4706072 Buffer size miscalculations in realpath.c
4705192 Possible buffer overflow if ftpconversions feature is in use
 
(from 114565-01)
 
4714534 FTP server connect retry DOS vulnerability

Patch Installation Instructions:
--------------------------------
 
For Solaris 2.0-2.6 releases, refer to the Install.info file and/or
the README within the patch for instructions on using the generic
'installpatch' and 'backoutpatch' scripts provided with each patch.
 
For Solaris 7-10 releases, refer to the man pages for instructions
on using 'patchadd' and 'patchrm' scripts provided with Solaris.
Any other special or non-generic installation instructions should be
described below as special instructions.  The following example
installs a patch to a standalone machine:
 
       example# patchadd /var/spool/patch/104945-02
 
The following example removes a patch from a standalone system:
 
       example# patchrm 104945-02
 
For additional examples please see the appropriate man pages.

Special Install Instructions:
-----------------------------
 
This patch alters the way the ftp daemon performs name resolution. It now
uses the nsswitch.conf(4) interface instead of using the resolver directly.
This change affects the following:
 
dns resolveroptions
 
This setting was an optional (not included by default) parameter which could be
specified in the /etc/ftpd/ftpaccess(4) file to modify the resolver behavior.
This was done by adding or removing bits in _res.options e.g.
 
dns resolveroptions +aaonly -dnsrch
 
Turns on the aaonly option (only  accept  authoritative answers) and turns
off the dnsrch option (search the domain path).
 
The changes in the ftp daemon no longer use _res.options so the way parameters
are specified changes to be in concordance with that documented in
/etc/resolv.conf(4) e.g.
 
dns resolveroptions rotate attempts:1
 
Turns on querying name servers round-robin and selects querying each name
server only once. This also improves consistency by making the way resolver
options are specified in /etc/ftpd/ftpaccess consistent with /etc/resolv.conf.
 
Installations using resolveroptions in /etc/ftpd/ftpaccess will need to remap
their existing parameters into the style specified in resolv.conf(4).

README -- Last modified date:  Monday, November 20, 2006

