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Subject: Re: ANNOUNCE: FreeBSD Ports Security Advisory:
 FreeBSD-SA-00:26.popper [REVISED]
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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-00:26.popper [REVISED]
  From: FreeBSD Security Advisories <security-advisories@freebsd.org>
  Date: Tue, 11 Jul 2000 14:55:37 -0700 (PDT)
  Message-Id: <20000711215537.5C73937B7DA@hub.freebsd.org>
  X-Sequence: announce-jp 475

 $B$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-00:26                                           Security Advisory
                                                                FreeBSD, Inc.

$B%H%T%C%/(B:	popper port contains remote vulnerability [REVISED]

$BJ,N`(B:		ports
$B%b%8%e!<%k(B:	popper
$B9pCNF|(B:		2000-07-05
$B2~D{F|(B:		2000-07-11
$B%/%l%8%C%H(B:	Prizm <prizm@RESENTMENT.ORG>
$B1F6AHO0O(B:	Ports Collection
$B=$@5F|(B:		2000-05-25
$B%Y%s%@$N%9%F!<%?%9(B:	$BG'<1:Q(B
FreeBSD $B$K8GM-$+(B:	NO

I.   $BGX7J(B - Background

qpopper $B$O?M5$$N$"$k(B POP3 $B%a!<%k%5!<%P$G$9(B. 

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

$B%P!<%8%g%s(B 2.53 $B$*$h$S$=$l0JA0$N(B qpopper $B$N(B port $B$O(B, $B%a!<%k$N%a%C%;!<(B
$B%8%X%C%@$K4^$^$l$k=q<0J8;zNs$r8m$C$F=hM}$7$F$7$^$$$^$9(B. $B%j%b!<%H$N967b(B
$B<T$,0-0U$r;}$C$F:n@.$7$?%a!<%k%a%C%;!<%8$r%m!<%+%k$N%f!<%6$KAw$k$H(B,
POP $B%/%i%$%"%s%H$,(B UIDL $B%3%^%s%I$r;HMQ$7$F%a%C%;!<%8$r<hF@$9$k:]$K(B, $B%5(B
$B!<%P>e$GG$0U$N%3!<%I$r<B9T$5$;$i$l$F$7$^$&2DG=@-$,$"$j$^$9(B. $B$=$N%3!<%I(B
$B$O(B, $B%a!<%k$r<hF@$7$h$&$H$7$F$$$k%f!<%68"8B$G<B9T$5$l$^$9(B. $B$7$?$,$C$F(B, 
$B$b$7(B root $B$,(B POP3 $B7PM3$G%a!<%k$rFI$`>l9g(B, root $B8"8B$,C%$o$l$k$3$H$K$J(B
$B$j$^$9(B. $B$3$N<eE@$O(B, qpopper-3.0.2 $B$K$OB8:_$7$^$;$s(B. qpopper-3.0.2 $B$O(B 
FreeBSD $B$N(B Ports Collection $B$GDs6!$5$l$F$$$^$9(B. 

qpopper $B$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 $B$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$$$k(B FreeBSD Ports Collection $B$N0lIt$G$9(B. FreeBSD 4.0 $B$H$H$b$K=P2Y$5(B
$B$l$?(B Ports Collection $B$O(B, $B%j%j!<%98e$KLdBj$,8+$D$+$C$?$?$a$K$3$NLdBj$r(B
$B4^$s$G$$$^$9$,(B, FreeBSD 3.5 $B$G$O=$@5$5$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%;%-%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%f!<%6$O(B, POP $B%/%i%$%"%s%H$,%a!<%k$r<hF@$9$k$H$-$K(B, $B$=$N%a!<(B
$B%k$r<hF@$9$k%f!<%6$N8"8B$GG$0U$N%3!<%I$r<B9T$5$;$k$3$H$,2DG=$G$9(B. 

qpopper-2.53 $B$N(B port/package $B$r%$%s%9%H!<%k$7$F$$$J$1$l$P(B, $B$=$N%7%9%F(B
$B%`$K$3$NLdBj$K$D$$$F$N%;%-%e%j%F%#>e$N<eE@$O$"$j$^$;$s(B.

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

popper $B$N(B port/package $B$r%$%s%9%H!<%k$7$F$$$k>l9g(B, $B$=$l$r%"%s%$%s%9%H(B
$B!<%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, qpopper $B$N(B port $B$r:F%3%s%Q%$%k$9$k(B.
$B$^$?$O(B, /usr/ports/mail/popper3 $B$GDs6!$5$l$F$$$k(B qpopper-3.0.2 $B$K%"%C(B
$B%W%0%l!<%I$9$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/mail/qpopper-2.53.tgz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-4-stable/mail/qpopper-2.53.tgz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/alpha/packages-4-stable/mail/qpopper-2.53.tgz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-5-current/mail/qpopper-2.53.tgz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/alpha/packages-5-current/mail/qpopper-2.53.tgz

ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-3-stable/mail/qpopper3-3.0.2.tgz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-4-stable/mail/qpopper3-3.0.2.tgz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/alpha/packages-4-stable/mail/qpopper3-3.0.2.tgz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-5-current/mail/qpopper3-3.0.2.tgz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/alpha/packages-5-current/mail/qpopper3-3.0.2.tgz

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

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

v1.0  2000-07-05  $B=iHG8x3+(B
v1.1  2000-07-11  qpopper-2.53 package $B$N(B URL $B$r=$@5(B, qpopper3-3.0.2 
                  $B$NDs6!$K$D$$$F$N5-=R$rDI2C(B, Ports Collection $B$N5,LO(B
                  $B$r99?7(B

