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Date: Sat, 13 May 2000 01:17:59 +0900
From: shinichi yuhara <yuhara@po.cnet-sb.ne.jp>
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Subject: ANNOUNCE: FreeBSD Security Advisory: FreeBSD-SA-00:18.gnapster
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  $B$3$N%a!<%k$O(B, announce-jp $B$KN.$l$?(B

  From: FreeBSD Security Officer<security-officer@freebsd.org>
  Date: Tue,  9 May 2000 12:24:03 -0700 (PDT)
  Subject: ANNOUNCE: FreeBSD Security Advisory:FreeBSD-SA-00:18.gnapster
  Message-Id: <20000509192403.5EEE137BEB2@hub.freebsd.org>
  X-Sequence: announce-jp 427

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

  $B86J8$O(B PGP $B=pL>$5$l$F$$$^$9$,(B, $B$3$NF|K\8lLu$O(B PGP $B=pL>$5$l(B
  $B$F$$$^$;$s(B.  $B%Q%C%AEy$NFbMF$,2~cb$5$l$F$$$J$$$3$H$r3NG'$9(B
  $B$k$?$a$K(B PGP $B$N%A%'%C%/$r9T$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$?$a$KDs6!$9$k$b$N$G(B, $BK]Lu<T$*$h$S(B doc-jp
  $B$O$=$NFbMF$K$D$$$F$$$+$J$kJ]>Z$b$$$?$7$^$;$s(B. $BF|K\8lLu$K$D$$$F(B
  $B$N$*Ld$$9g$o$;$O(B, doc-jp@jp.freebsd.org $B$^$G$*4j$$$7$^$9(B.

--($B$3$3$+$i(B)

=============================================================================
FreeBSD-SA-00:18                                           Security Advisory
                                                                FreeBSD, Inc.

$B%H%T%C%/(B:        gnapster port allows remote users to view
                 local files
$BJ,N`(B:            ports
$B%b%8%e!<%k(B:      gnapster
$B9pCNF|(B:          2000-05-09
$B2~D{<T(B:          $B@):n85$K$h$k=$@5(B
$B1F6AHO0O(B:        $B=$@5F|0JA0$N(BPorts collection
$B=$@5F|(B:          2000-04-29
$B%Y%s%@$N>uBV(B:    $B=$@5$5$l$?%P!<%8%g%s$,4{$K%j%j!<%9$5$l$F$$$k(B
FreeBSD$B$K8GM-$+(B: NO

I.   $BGX7J(B - Background

Gnapster $B$O(B Napster $B%U%!%$%k6&M-%M%C%H%o!<%/$N%/%i%$%"%s%H$G(B
$B$9(B.

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

gnapster $B$N(B1.3.8$B0JA0$N(B port $B$G$O(B gnapster $B$r5/F0$7$F$$$k%f!<(B
$B%6$,%"%/%;%9$G$-$k%m!<%+%k$KCV$$$F$"$kA4$F$N%U%!%$%k$r%j%b!<(B
$B%H$N(B gnapster $B%f!<%6$,FI$a$F$7$^$&$H$$$&7g4Y$,$"$j$^$9(B.
gnapster $B$OFC8"$rM?$($i$l$F<B9T$5$l$F$$$k$o$1$G$O$J$$$N$G(B, 
$B$=$NHO0O$O<B9T%f!<%6$,%"%/%;%9$r5vMF$5$l$F$$$kDL>o$N%U%!%$%k(B
$B%7%9%F%`$@$1$G$G$9(B.

gnapster $B$N(B port $B$O(B, $B%G%U%)%k%H$G%$%s%9%H!<%k$5$l$k$b$N$G$O(B
$B$J$/(B, FreeBSD $B%7%9%F%`$N0lIt$r9=@.$9$k$b$N$G$b$"$j$^$;$s(B.  
$B$=$l$O(B, 3200 $B$rD6$($k%5!<%I%Q!<%F%#@=$N%"%W%j%1!<%7%g%s$,$9(B
$B$0$K%$%s%9%H!<%k$G$-$k7A$G<}$a$i$l$F$$$k(B FreeBSD Ports
Collection $B$N0lIt$G$9(B.  $B%j%j!<%9$N8e$K8+$D$+$C$?$?$a$K(B
FreeBSD 4.0-RELEASE$B$K4^$^$l$k(B Ports Collection $B$K(B, $B$3$NLdBj(B
$B$K$h$k%;%-%e%j%F%#>e$N<eE@$,4^$^$l$F$$$^$9(B.

FreeBSD $B$G$O(B, $B$3$N$h$&$J%5!<%I%Q!<%F%#@=%"%W%j%1!<%7%g%s$N%;(B
$B%-%e%j%F%#LdBj$KBP$7$F(B, $BFC$K<gD%$9$k$3$H$O$"$j$^$;$s(B($BLuCm(B:
ports $B$KF~$C$F$$$k$+$i$H$$$C$F(B, FreeBSD $B$N3+H/<T$?$A$,$=$N%"(B
$B%W%j%1!<%7%g%s$,0BA4$G$"$k$HI>2A$7$?$o$1$G$O$"$j$^$;$s(B).

$B$?$@$7(B, $B%;%-%e%j%F%#LdBj$KBP$7$FBg$-$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

$B%j%b!<%H%f!<%6$,(B gnapster $B%/%i%$%"%s%H$r5/F0$7$F$$$k%f!<%6$N%U%!(B
$B%$%k$r8+$k$3$H$,$G$-$^$9(B.

$B$b$7(B, gnapster $B$N(B port/packages $B$r%$%s%9%H!<%k$7$F$$$J$$$N$G(B
$B$"$l$P(B, $B$"$J$?$N%7%9%F%`$K%;%-%e%j%F%#>e$N<eE@$O$"$j$^$;$s(B.

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

$B$b$7(B,$B4{$K%$%s%9%H!<%k$7$F$$$k$N$G$"$l$P(B, gnapster $B$N(B
port/package $B$r:o=|$7$F2<$5$$(B.

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

$BJ}K!$H$7$F$O(B:

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

2) $B0J2<$N>l=j$+$i?7$7$$(B package $B$rF~<j$7$F%$%s%9%H!<%k$9$k(B.

ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-3-stable/audio/gnapster-1.3.9.tgz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-4-stable/audio/gnapster-1.3.9.tgz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/alpha/packages-4-stable/audio/gnapster-1.3.9.tgz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-5-current/audio/gnapster-1.3.9.tgz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/alpha/packages-5-current/audio/gnapster-1.3.9.tgz

 $BCm(B: $B=$@5$5$l$?(B package $B$,8x3+$5$l$k$^$G(B, $B?tF|$+$+$k$+$bCN$l(B
$B$^$;$s(B.  

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

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

4) portcheckout $B%f!<%F%#%j%F%#$r;H$&$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



