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From: Koga Youichirou <y-koga@jp.freebsd.org>
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Subject: [doc-jp 7566] Re: ANNOUNCE: FreeBSD Ports Security Advisory:
 FreeBSD-SA-00:29.wu-ftpd
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"Iwakuni, Tomohiko" <iwac@sta.att.ne.jp>:
> $B0J2<!"2~D{HG$G$9!#(B

$BA43Q6uGr$J$I:.$6$C$F$$$k$N$GA4BN$r@07A$7!"B>$HI=5-$r9g$o$;$^$7$?!#FbMF(B
$B$O$h$$$H;W$$$^$9!#(B

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

  Subject: ANNOUNCE: FreeBSD Ports Security Advisory: FreeBSD-SA-00:29.wu-ftpd [REVISED]
  From: FreeBSD Security Advisories <security-advisories@freebsd.org>
  Message-Id: <20000711220526.8BC5137C225@hub.freebsd.org>
  Date: Tue, 11 Jul 2000 15:05:26 -0700 (PDT)
$B!!(BX-Sequence: announce-jp 476

 $B$rF|K\8lLu$7$?$b$N$G$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-00:29                                           Security Advisory
                                                                FreeBSD, Inc.

$B%H%T%C%/(B:	wu-ftpd port contains remote root compromise [REVISED]

$BJ,N`(B:		ports
$B%b%8%e!<%k(B:	wu-ftpd
$B9pCNF|(B:		2000-07-05
$B2~D{F|(B:		2000-07-11
$B%/%l%8%C%H(B:	tf8 <tf8@ZOLO.FREELSD.NET>
$B1F6AHO0O(B:	Ports Collection
$B=$@5F|(B:		2000-06-24
$B%Y%s%@$NBP1~(B:	$BG'<1:Q(B
FreeBSD $B$K8GM-$+(B:	NO

I.   $BGX7J(B - Background

wu-ftpd $B$O?M5$$N$"$k(B FTP $B%5!<%P%W%m%0%i%`$G$9(B.
 
II.  $BLdBj$N>\:Y(B - Problem Description

wu-ftpd $B$N(B port ($B%P!<%8%g%s(B 2.6.0 $B$*$h$S$=$l0JA0$N$b$N(B) $B$K$O(B, $B%j%b!<%H(B
$B$N(B FTP $B%f!<%6(B (anonymous FTP $B%f!<%6(B, $B$*$h$S%m%0%$%s2DG=$J%f!<%6(B) $B$,%m(B
$B!<%+%k%^%7%s>e$N(B root $B8"8B$GG$0U$N%3!<%I$r<B9T$G$-$k$H$$$&%;%-%e%j%F%#(B
$B>e$N<eE@$,$"$j$^$9(B. $B%3!<%I$N<B9T$O(B, $B%3%^%s%IF~NO$K(B FTP $B%5!<%P$,@5$7$/(B
$B2r@O$G$-$J$$$h$&$J=q<0;XDjJ8;zNs$rF~$l$k$3$H$G2DG=$H$J$j$^$9(B.
 
wu-ftpd $B$N(B port $B$O%G%U%)%k%H$G%$%s%9%H!<%k$5$l$k$b$N$G$O$J$/(B, FreeBSD 
$B%7%9%F%`$N0lIt$r9=@.$9$k$b$N$G$b$"$j$^$;$s(B. $B$=$l$i$O(B, 3500 $B$r1[$($k%5(B
$B!<%I%Q!<%F%#@=%"%W%j%1!<%7%g%s$,$9$0$K%$%s%9%H!<%k$G$-$k7A$G<}$a$i$l$F(B
$B$$$k(B FreeBSD Ports Collection $B$N0lIt$G$9(B. FreeBSD 3.5 $B$*$h$S(B 4.0 $B$H$H(B
$B$b$K=P2Y$5$l$?(B Ports Collection $B$O(B, $B%j%j!<%98e$KLdBj$,8+$D$+$C$?$?$a$K(B
$B$3$NLdBj$r4^$s$G$$$^$9(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$KF~$C$F$$$k$+$i$H$$$C$F(B, FreeBSD $B$N3+H/<T$?$A$,$=$N%"%W%j(B
$B%1!<%7%g%s$,0BA4$G$"$k$HI>2A$7$?$o$1$G$O$"$j$^$;$s(B). $B$?$@$7(B, $B%;%-%e%j(B
$B%F%#LdBj$KBP$7$FBg$-$J1F6A$r;}$D$h$&$J(B ports $B$KBP$9$k%;%-%e%j%F%#4F::(B
$B$rDs6!$9$Y$/(B,$B8=:_EXNOCf$G$9(B.

III. $B1F6AHO0O(B - Impact

FTP $B%f!<%6(B (anonymous FTP $B%f!<%6$b4^$`(B) $B$,%m!<%+%k%^%7%s>e$N(B root $B8"8B(B
$B$GG$0U$N%3%^%s%I$r<B9T$9$k$3$H$,2DG=$G$9(B.

wu-ftpd $B$N(B port/package $B$r%$%s%9%H!<%k$7$F$$$J$1$l$P(B, $B$3$NLdBj$K4X$9$k(B
$B%;%-%e%j%F%#>e$N<eE@$OB8:_$7$^$;$s(B.

IV.  $BBP1~:v(B - Workaround

wu-ftpd $B$N(B port/package $B$,%$%s%9%H!<%k$5$l$F$$$k>l9g$K$O(B, $B$=$l$r%"%s%$(B
$B%s%9%H!<%k$9$k(B.

V.   $B=$@5=hCV(B - Solution

$B0J2<$N$$$:$l$+$r9T$J$C$F$/$@$5$$!#(B
 
1) Ports Collection $BA4BN$r99?7$7$F(B, wu-ftpd $B$N(B port $B$r:F%3%s%Q%$%k$9$k(B.

2) $B8E$$(B package $B$r:o=|$7(B, $B=$@5F|0J9_$N?7$7$$(B package $B$r%$%s%9%H!<%k$7(B
$B$^$9(B, $B?7$7$$(B package $B$O0J2<$N%5%$%H$+$iF~<j$9$k$3$H$,$G$-$^$9!#(B
 
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-3-stable/ftp/wu-ftpd-2.6.0.tgz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-4-stable/ftp/wu-ftpd-2.6.0.tgz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/alpha/packages-4-stable/ftp/wu-ftpd-2.6.0.tgz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-5-current/ftp/wu-ftpd-2.6.0.tgz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/alpha/packages-5-current/ftp/wu-ftpd-2.6.0.tgz
  
$BCm0U(B: $B99?7$5$l$?(B packages $B$,Ds6!$5$l$k$^$G?tF|$+$+$k$+$b$7$l$^$;$s(B. $B%=(B
$B99?7$5$l$F$b$=$N%=%U%H%&%'%"$N%P!<%8%g%sHV9f$OJQ$o$j$^$;$s$N$G(B, $B$=$N(B 
package $B$N%U%!%$%k$N:n@.F|$rI,$:3NG'$9$k$h$&$K$7$F$/$@$5$$(B. 

3) $B0J2<$N>l=j$+$i(B wu-ftpd $B$N?7$7$$(B port $B%9%1%k%H%s$r%@%&%s%m!<%I$7(B, 
$B$=$l$r;HMQ$7$F(B wu-ftpd $B$N(B port $B$r:F%3%s%Q%$%k$9$k(B.

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

$B$=$7$F!"$=$N%9%1%k%H%s$rMQ$$$F(B port $B$r:F9=C[$7$^$9(B.
 
4) portcheckout $B%f!<%F%#%j%F%#$r;HMQ$9$k$H(B, $B>e5-(B (3) $B$r<+F0E*$K(B
$B9T$J$&$3$H$,$G$-$^$9(B.  portcheckout $B$O(B, /usr/ports/devel/portcheckout 
$B$d(B, $B0J2<$N>l=j$+$iF~<j2DG=$G$9(B. 

ftp://ftp.freebsd.org/pub/FreeBSD/ports/packages/devel/portcheckout-1.0.tgz

VI.   $B2~D{MzNr(B - Revision History

v1.0  2000-07-05  $B=iHG8x3+(B
v1.1  2000-07-11  anonymous FTP $B%f!<%6$@$1$G$J$/(B, $B$9$Y$F$N(B FTP $B%f!<%6(B
                  $B$K$3$N%;%-%e%j%F%#>e$N<eE@$,1F6A$9$k;v$rL@3N$K$7$?(B,
                  package $B$N(B URL $B$r=$@5(B, Ports Collection $B$N5,LO$r99?7(B
END--------------------- $B$3$3$^$G(B ------------------------
----
$B$3$,$h$&$$$A$m$&(B
