From owner-announce-jp@jp.freebsd.org  Sat Nov 25 11:32:14 2000
Received: (from daemon@localhost)
	by castle.jp.freebsd.org (8.9.3+3.2W/8.7.3) id LAA28060;
	Sat, 25 Nov 2000 11:32:14 +0900 (JST)
	(envelope-from owner-announce-jp@jp.FreeBSD.org)
Message-Id: <200011242001.FAA04836@eos.ocn.ne.jp>
To: announce-jp@jp.freebsd.org
In-Reply-To: <20001106201404.5C3C337B661@hub.freebsd.org>
References: <20001106201404.5C3C337B661@hub.freebsd.org>
X-Mailer: Mew version 1.94.1 on Emacs 19.34 / Mule 2.3 (SUETSUMUHANA)
Mime-Version: 1.0
Content-Type: Text/Plain; charset=iso-2022-jp
Content-Transfer-Encoding: 7bit
Date: Sat, 25 Nov 2000 04:42:04 +0900
From: Hiroki Sato <hrs@eos.ocn.ne.jp>
X-Dispatcher: imput version 20000228(IM140)
X-ML-maintainer: owner-announce-jp@jp.FreeBSD.org
Precedence: list
X-Distribute: distribute version 2.1 (Alpha) patchlevel 24e+000315
X-Sequence: announce-jp 617
Subject: Re: ANNOUNCE: FreeBSD Ports Security Advisory: FreeBSD-SA-00:64.global
Errors-To: owner-announce-jp@jp.freebsd.org
Sender: owner-announce-jp@jp.freebsd.org


 $B$3$N%a!<%k$O(B, announce-jp $B$KN.$l$?(B

  Subject: ANNOUNCE: FreeBSD Ports Security Advisory: FreeBSD-SA-00:64.global
  From: FreeBSD Security Advisories <security-advisories@freebsd.org>
  Date: Mon,  6 Nov 2000 12:14:04 -0800 (PST)
  Message-Id: <20001106201404.5C3C337B661@hub.freebsd.org>
  X-Sequence: announce-jp 592

 $B$rF|K\8lLu$7$?$b$N$G$9(B. 

 $B$3$N4+9p$NCf$G>R2p$5$l$F$$$k(B WWW $B%5%$%H(B http://www.FreeBSD.org/ $B$*$h$S(B
 FTP $B%5%$%H(B ftp://ftp.FreeBSD.org/ $B$K$O(B, $BF|K\$N%_%i!<%5%$%H$,B8:_$7$^$9(B.
 $B%_%i!<%5%$%H$rMxMQ$9$k$K$O(B,
 http://www.FreeBSD.org/ $B$r(B http://www.jp.FreeBSD.org/www.freebsd.org/ $B$K(B,
 ftp://ftp.FreeBSD.org/ $B$r(B ftp://ftp.jp.FreeBSD.org/ $B$K(B,
 $B$=$l$>$lCV$-49$($F$/$@$5$$(B.

 $B%M%C%H%o!<%/$N:.;($r4KOB$9$k$?$a(B, $B$^$:$O%_%i!<%5%$%H$NMxMQ$r(B
 $B9MN8$9$k$h$&$*4j$$$7$^$9(B.  $B%_%i!<%5%$%H$K4X$9$k>\:Y$O(B

  http://www.FreeBSD.org/handbook/mirror.html ($B1QJ8(B)
  http://www.FreeBSD.org/ja/handbook/mirror.html ($BF|K\8lLu(B)

 $B$K(B, $B$^$?(B, $B2a5n$NF|K\8lHG%;%-%e%j%F%#4+9p$O(B

  http://www.FreeBSD.org/ja/security/

 $B$K$^$H$a$i$l$F$$$^$9(B.

 $B86J8$O(B PGP $B=pL>$5$l$F$$$^$9$,(B, $B$3$NF|K\8lLu$O(B PGP $B=pL>$5$l$F$$$^$;$s(B. 
 $B%Q%C%AEy$NFbMF$,2~cb$5$l$F$$$J$$$3$H$r3NG'$9$k$?$a$K(B PGP $B$N%A%'%C%/$r(B
 $B9T$J$&$K$O(B, $B86J8$r;2>H$7$F$/$@$5$$(B. 

 $BF|K\8lLu$O(B FreeBSD $BF|K\8l%I%-%e%a%s%F!<%7%g%s%W%m%8%'%/%H(B (doc-jp) $B$,;29M$N(B
 $B$?$a$KDs6!$9$k$b$N$G(B, doc-jp $B$O(B $B$=$NFbMF$K$D$$$F$$$+$J$kJ]>Z$b$$$?$7$^$;$s(B.
 $BF|K\8lLu$K$D$$$F$N$*Ld$$9g$o$;$O(B doc-jp@jp.FreeBSD.org $B$^$G$*4j$$$7$^$9(B.

--($B$3$3$+$i(B)
=============================================================================
FreeBSD-SA-00:64                                           Security Advisory
                                                                FreeBSD, Inc.

$B%H%T%C%/(B:	global port allows remote compromise through CGI script

$BJ,N`(B:		ports
$B%b%8%e!<%k(B:	global
$B9pCNF|(B:		2000-11-06
$B%/%l%8%C%H(B:	Shigio Yamaguchi <shigio@tamacom.com> 
$B1F6AHO0O(B:	$B=$@5F|A0$N(B Ports Collection
$B=$@5F|(B:		2000-10-09
$B%Y%s%@$NBP1~(B:	$B=$@5HG$,8x3+:Q$_(B
FreeBSD $B$K8GM-$+(B:	NO

I.   $BGX7J(B - Background

global $B$OBg5,LO$J%=!<%9%3!<%IK\BN$N:w0z:n@.$d(B, $B8!:w$r9T$J$&$?$a$N(B
$B%=!<%9%3!<%I%?%0IU$1%7%9%F%`$G$9(B.

II.  $BLdBj$N>\:Y(B - Problem Description

global port $B$N%P!<%8%g%s(B 3.5 $B$+$i(B 3.55 $B$^$G$N$b$N$K$O(B,
htags $B%f!<%F%#%j%F%#$K$h$C$F@8@.$5$l$k(B CGI $B%9%/%j%W%H$NCf$K(B
$B%j%b!<%H$N967b<T$,%m!<%+%k%7%9%F%`>e$K$*$$$F(B, $B%9%/%j%W%H$r(B
$B<B9T$7$F$$$k%f!<%6$N8"8B$G%3!<%I$r<B9T$G$-$k$h$&$J(B
$B%;%-%e%j%F%#>e$N<eE@$,B8:_$7$^$9(B.  $B%9%/%j%W%H$r<B9T$7$F$$$k(B
$B%f!<%6$ODL>o(B, $BBgItJ,$N%7%9%F%`$G(B 'nobody' $B$H$J$C$F$$$^$9(B.

$B$3$N%;%-%e%j%F%#>e$N<eE@$O(B, port $B$r%$%s%9%H!<%k$7$?I8=`$N>uBV$G$O(B
$BB8:_$7$^$;$s(B.  $B$7$+$7(B, $B%7%9%F%`4IM}<T$,(B 'htags -f' $B%3%^%s%I$r<B9T$7$F(B
$B%=!<%9%3!<%I$r1\Mw$9$k$?$a$N(B CGI $B%9%/%j%W%H$r@8@.$9$k$H(B, $B%7%9%F%`$O(B
$B967b$KBP$7$F<eE@$r;}$D$h$&$K$J$j$^$9(B.  $B$3$l$O(B, $B$=$N%9%/%j%W%H$,(B
$BF~NO$KBP$7$FE,@Z$J%A%'%C%/$r9T$J$o$J$$$3$H$,860x$G$9(B.

$B:#$^$G%j%j!<%9$5$l$?(B FreeBSD $B$K$b(B global $B$,4^$^$l$F$$$^$7$?$,(B,
$B$3$l$i$O8E$$%P!<%8%g%s$N$b$N$G$"$j(B, $B$3$3$G=R$Y$i$l$F$$$k(B
$B%;%-%e%j%F%#>e$N<eE@$OB8:_$7$^$;$s(B.

global $B$N(B port $B$O%G%U%)%k%H$G%$%s%9%H!<%k$5$l$k$b$N$G$O$J$/(B,
$B!V(BFreeBSD $B%7%9%F%`$N0lIt!W$r9=@.$9$k$b$N$G$b$"$j$^$;$s(B.
$B$=$l$i$O(B 4100 $B$r1[$($k%5!<%I%Q!<%F%#@=%"%W%j%1!<%7%g%s$,$9$0$K(B
$B%$%s%9%H!<%k$G$-$k7A$G<}$a$i$l$F$$$k(B FreeBSD Ports Collection $B$N0lIt$G$9(B.
$B%j%j!<%98e$KLdBj$,8+$D$+$C$?$?$a(B, FreeBSD 3.5.1 $B$*$h$S(B 4.1.1 $B$H$H$b$K(B
$B=P2Y$5$l$?(B Ports Collection $B$O$3$NLdBj$r4^$s$G$$$^$9$,(B, $B$3$NLdBj$O(B
FreeBSD 4.2 $B$N%j%j!<%9A0$K=$@5$5$l$^$7$?(B.

FreeBSD $B$G$O(B, $B$3$N$h$&$J%5!<%I%Q!<%F%#@=%"%W%j%1!<%7%g%s$N%;%-%e%j%F%#(B
$BLdBj$KBP$7$F(B, $BFC$K2?$+$r<gD%$9$k$3$H$O$"$j$^$;$s(B ($BLuCm(B: Ports Collection $B$K(B
$BF~$C$F$$$k$+$i$H$$$C$F(B, FreeBSD $B$N3+H/<T$?$A$,$=$N%"%W%j%1!<%7%g%s$,(B
$B0BA4$G$"$k$HI>2A$7$?$o$1$G$O$"$j$^$;$s(B).  $B$?$@$7(B, $B%;%-%e%j%F%#LdBj$KBP$7$F(B
$BBg$-$J1F6A$r;}$D$h$&$J(B ports $B$KBP$9$k%;%-%e%j%F%#4F::$rDs6!$9$Y$/(B,
$B8=:_EXNOCf$G$9(B.

III. $B1F6AHO0O(B - Impact

'htags -f' $B%3%^%s%I$r<B9T$7$F(B CGI $B%9%/%j%W%H$r@8@.$7%&%'%V%5!<%P$K(B
$B%$%s%9%H!<%k$7$?>l9g(B, $B%j%b!<%H%f!<%6$O%m!<%+%k%7%9%F%`$K$*$$$F(B,
CGI $B%9%/%j%W%H$r<B9T$9$k%f!<%6$N8"8B$GG$0U$N%3!<%I$r<B9T$9$k$3$H$,(B
$B$G$-$k4m81@-$,$"$j$^$9(B.

global $B$N(B port/package $B$r%$%s%9%H!<%k$7$F$$$J$$$+(B, $B$b$7$/$O(B
'htags -f' $B$r;H$C$F(B CGI $B%9%/%j%W%H$r:n@.$7$F$$$J$1$l$P(B,
$B%7%9%F%`$K$3$NLdBj$K$h$k%;%-%e%j%F%#>e$N<eE@$O$"$j$^$;$s(B.


IV.  $B2sHrJ}K!(B - Workaround

global $B$N(B port/package $B$,%$%s%9%H!<%k$5$l$F$$$k>l9g$O(B
$B$=$l$r%7%9%F%`$+$i:o=|$9$k$+(B, $B$b$7$/$O%&%'%V%5%$%H$K(B
$B%$%s%9%H!<%k$5$l$F$$$k(B 'global.cgi' $B$H$$$&%U%!%$%k$r:o=|$7$F$/$@$5$$(B.

V.   $B2r7h:v(B - Solution

$B<!$N$$$:$l$+$K=>$C$F$/$@$5$$(B.

1) Ports Collection $BA4BN$r%"%C%W%0%l!<%I$7(B, global $B$N(B port $B$r:F9=C[$7$^$9(B.

2) $B8E$$(B ($BLuCm(B: global $B$N(B) package $B$r%7%9%F%`$+$i:o=|$7(B, $B=$@5F|0J9_$K(B
   $B:n@.$5$l$??7$7$$(B package $B$r0J2<$N>l=j$+$i<hF@$7$F%$%s%9%H!<%k$7$^$9(B.

ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-3-stable/devel/global-4.0.1.tgz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-4-stable/devel/global-4.0.1.tgz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/alpha/packages-4-stable/devel/global-4.0.1.tgz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-5-current/devel/global-4.0.1.tgz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/alpha/packages-5-current/devel/global-4.0.1.tgz

3) global port $B$N?7$7$$(B port $B%9%1%k%H%s$r0J2<$N>l=j$+$i%@%&%s%m!<%I$7(B,
   $B$=$l$r;H$C$F(B port $B$r:F9=C[$7$^$9(B.

http://www.freebsd.org/ports/

    [$BLuCm(B] $B86J8$G$O(B cvsweb $B$H$J$C$F$$$^$9$,(B, $B8m5-$@$H;W$o$l$^$9(B.

4) $B>e5-(B (3) $B$NA`:n$r<+F0E*$K9T$J$&(B portcheckout $B%f!<%F%#%j%F%#$r;H$$$^$9(B.
   portcheckout $B$N(B port $B$O(B /usr/ports/devel/portcheckout $B$K$"$j$^$9(B.
   $B$^$?(B, portcheckout $B$N(B package $B$,0J2<$N>l=j$+$iF~<j2DG=$G$9(B.

ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-3-stable/devel/portcheckout-2.0.tgz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-4-stable/devel/portcheckout-2.0.tgz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/alpha/packages-4-stable/devel/portcheckout-2.0.tgz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-5-current/devel/portcheckout-2.0.tgz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/alpha/packages-5-current/devel/portcheckout-2.0.tgz

