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Subject: Re: ANNOUNCE: FreeBSD Ports Security Advisory:
 FreeBSD-SA-00:32.bitchx
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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-00:32.bitchx
  From: FreeBSD Security Advisories <security-advisories@freebsd.org>
  Date: Wed,  5 Jul 2000 16:14:42 -0700 (PDT)
  Message-Id: <20000705231442.2469737BCB2@hub.freebsd.org>
  X-Sequence: announce-jp 472

 $B$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-00:32                                           Security Advisory
                                                                FreeBSD, Inc.

$B%H%T%C%/(B:	bitchx port contains client-side vulnerability

$BJ,N`(B:		ports
$B%b%8%e!<%k(B:	bitchx
$B9pCNF|(B:		2000-07-05
$B1F6AHO0O(B:	Ports Collection
$B=$@5F|(B:		2000-07-03
$B%Y%s%@$N%9%F!<%?%9(B:	$B%Q%C%A8x3+:Q(B
FreeBSD $B$K8GM-$+(B:	NO

I.   $BGX7J(B - Background

bitchx $B$O?M5$$N$"$k(B IRC $B%/%i%$%"%s%H%W%m%0%i%`$G$9(B. 

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

bitchx $B%/%i%$%"%s%H$O(B, $B%j%b!<%H$N(B IRC $B%f!<%6$+$iAw$i$l$k%A%c%M%k>7BT%a(B
$B%C%;!<%8$K4^$^$l$k=q<0J8;zNs$r8m$C$F=hM}$7$F$7$^$$$^$9(B. $B$3$l$K$h$j(B, $B%m(B
$B!<%+%k$N%/%i%$%"%s%H$r%/%i%C%7%e$5$;$?$j(B, $B$*$=$i$/%m!<%+%k%f!<%68"8B$G(B
$BG$0U$N%3!<%I$r<B9T$5$;$k$3$H$,2DG=$G$9(B. 

bitchx $B$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, 3400 $B$rD6$($k%5(B
$B!<%I%Q!<%F%#@=$N%"%W%j%1!<%7%g%s$,$9$0$K%$%s%9%H!<%k$G$-$k7A$G<}$a$i$l(B
$B$F$$$k(B FreeBSD Ports Collection $B$N0lIt$G$9(B. FreeBSD 4.0 $B$*$h$S(B FreeBSD
3.5 $B$H$H$b$K=P2Y$5$l$?(B Ports Collection $B$O(B, $B%j%j!<%98e$KLdBj$,8+$D$+$C(B
$B$?$?$a$K$3$NLdBj$r4^$s$G$$$^$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

$B%j%b!<%H$N(B IRC $B%f!<%6$,(B, $B%m!<%+%k$N%/%i%$%"%s%H$r%/%i%C%7%e$5$;$k$3$H(B
$B$,2DG=$G$9(B. $B$=$7$F(B, $B$*$=$i$/%m!<%+%k%f!<%6$N8"8B$G%3!<%I$r<B9T$9$k$3$H(B
$B$,2DG=$G$9(B. 

bitchx $B$N(B port/package $B$r%$%s%9%H!<%k$7$F$$$J$1$l$P(B, $B$=$N%7%9%F%`$K$3(B
$B$NLdBj$K$D$$$F$N%;%-%e%j%F%#>e$N<eE@$O$"$j$^$;$s(B.

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

$B0J2<$N(B bitchx $B%3%^%s%I$r<B9T$7$F(B, $B%A%c%M%k>7BT%a%C%;!<%8$N=hM}$rL58z$K(B
$B$9$k(B. 

/ignore * invites

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

$B0J2<$N$$$:$l$+$r9T$J$C$F$/$@$5$$(B. 

1) Ports Collection $BA4BN$r99?7$7$F(B, bitchx $B$N(B port $B$r:F%3%s%Q%$%k$9$k(B.

2) $B8E$$(B package $B$r%"%s%$%s%9%H!<%k$7(B, $B=$@5F|0J9_$N?7$7$$(B package $B$r%$(B 
$B%s%9%H!<%k$9$k(B. $B?7$7$$%Q%C%1!<%8$O(B, $B0J2<$N>l=j$+$iF~<j2DG=$G$9(B. 

ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-3-stable/irc/bitchx-1.0c16.tar.gz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-4-stable/irc/bitchx-1.0c16.tar.gz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/alpha/packages-4-stable/irc/bitchx-1.0c16.tar.gz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-5-current/irc/bitchx-1.0c16.tar.gz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/alpha/packages-5-current/irc/bitchx-1.0c16.tar.gz

$BCm0U(B: $B99?7$5$l$?(B packages $B$,Ds6!$5$l$k$^$G?tF|$+$+$k$+$b$7$l$^$;$s(B. 
$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 bitchx $B$N?7$7$$(B port $B%9%1%k%H%s$r%@%&%s%m!<%I$7(B, 
$B$=$l$r;HMQ$7$F(B bitchx $B$N(B port $B$r:F%3%s%Q%$%k$9$k(B.

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

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
