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Subject: Re: ANNOUNCE: FreeBSD Ports Security Advisory: FreeBSD-SA-00:73.thttpd
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 $B$3$N%a!<%k$O(B, announce-jp $B$KN.$l$?(B

  Subject: ANNOUNCE: FreeBSD Ports Security Advisory: FreeBSD-SA-00:73.thttpd
  From: FreeBSD Security Advisories <security-advisories@freebsd.org>
  Date: Mon, 20 Nov 2000 13:29:17 -0800 (PST)
  Message-Id: <20001120212917.C4AB237B682@hub.freebsd.org>
  X-Sequence: announce-jp 608

 $B$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-00:73                                           Security Advisory
                                                                FreeBSD, Inc.

$B%H%T%C%/(B:	thttpd allows remote reading of local files

$BJ,N`(B:		ports
$B%b%8%e!<%k(B:	thttpd
$B9pCNF|(B:		2000-11-20
$B%/%l%8%C%H(B:	ghandi@MINDLESS.COM
$B1F6AHO0O(B:	$B=$@5F|0JA0$N(B Ports Collection
$B=$@5F|(B:		2000-10-30
$B%Y%s%@$NBP1~(B:	$B=$@5HG$,8x3+:Q$_(B
FreeBSD $B$K8GM-$+(B:	NO

I.   $BGX7J(B - Background

thttpd $B$O%7%s%W%k$G>.$5$/(B, $B9bB.$J(B HTTP $B%5!<%P$G$9(B.

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

thttpd port $B$N%P!<%8%g%s(B 2.20 $B$h$jA0$N$b$N$K$O(B, $B%m!<%+%k%5!<%P>e$N(B
$BG$0U$N%U%!%$%k$r%j%b!<%H$+$i8+$k$3$H$,$G$-$k$h$&$J(B, $B%;%-%e%j%F%#>e$N(B
$B<eE@$,B8:_$7$^$9(B.  $B$3$l$O(B, 'ssi' $B$H$$$&(B CGI $B%9%/%j%W%H$,(B, $B%Q%9$K(B
".." $B$r4^$`(B URL $B%(%s%3!<%I$5$l$?MW5a$rE,@Z$K@)8B$7$J$$$3$H$,860x$G$9(B.
$B$^$?(B, $B$3$N(B CGI $B%9%/%j%W%H$O(B, $B%&%'%V%5!<%P$KI,MW$J(B, web root $B$N30B&(B
($BLuCm(B: http $B%5!<%P$,%U%!%$%k8!:w$N4pE@$H$7$FMQ$$$k8!:w%Q%9(B, $B$$$o$f$k(B
document root $B$N30B&$N$3$H(B) $B$X$NMW5a$r@)8B$9$k5!G=$bHw$($F$$$^$;$s(B.  
$B$3$NFs$D$N7g4Y$r0-MQ$9$k$3$H$G(B, $B%j%b!<%H%f!<%6$O%&%'%V%5!<%P$r(B
$BF0:n$5$;$F$$$k%f!<%6(B ($BI8=`@_Dj$G$O(B 'nobody' $B%f!<%6(B) $B$N8"8B$G(B
$B%"%/%;%92DG=$J(B, $B%7%9%F%`>e$N$"$i$f$k%U%!%$%k$K%"%/%;%9$9$k$3$H$,2DG=$K(B
$B$J$j$^$9(B.

thttpd $B$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

$B%j%b!<%H%f!<%6$O(B, $B%&%'%V%5!<%P$rF0:n$5$;$F$$$k%f!<%6(B ($BI8=`@_Dj$G$O(B
'nobody' $B%f!<%6(B) $B$N8"8B$G%"%/%;%92DG=$J(B, $B%7%9%F%`>e$N$"$i$f$k%U%!%$%k$K(B
$B%"%/%;%9$9$k$3$H$,2DG=$G$9(B.

thttpd $B$N(B port/package $B$r%$%s%9%H!<%k$7$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

thttpd $B$N(B port/package $B$,%$%s%9%H!<%k$5$l$F$$$k>l9g$O(B,
$B$=$l$r%7%9%F%`$+$i:o=|$7$F$/$@$5$$(B.

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

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

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

2) $B8E$$(B ($BLuCm(B: thttpd $B$N(B) package $B$r%7%9%F%`$+$i:o=|$7(B, $B=$@5F|0J9_$K(B
   $B:n@.$5$l$??7$7$$(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/www/thttpd-2.20b.tgz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-4-stable/www/thttpd-2.20b.tgz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/alpha/packages-4-stable/www/thttpd-2.20b.tgz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-5-current/www/thttpd-2.20b.tgz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/alpha/packages-5-current/www/thttpd-2.20b.tgz

3) thttpd 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/

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

