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Date: Mon, 07 Jan 2002 00:57:42 +0900 (JST)
Message-Id: <20020107.005742.58463173.hrs@eos.ocn.ne.jp>
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From: Hiroki Sato <hrs@eos.ocn.ne.jp>
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Subject: Re: ANNOUNCE: FreeBSD Ports Security Advisory FreeBSD-SA-02:04.mutt
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FreeBSD $B%;%-%e%j%F%#4+9p(B $BF|K\8lHG(B
=============================================================================
FreeBSD-SA-02:04 (2002-01-04)
 * mutt ports contain remotely exploitable buffer overflow
=============================================================================

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

  Subject: ANNOUNCE: FreeBSD Ports Security Advisory FreeBSD-SA-02:04.mutt
  From: FreeBSD Security Advisories <security-advisories@FreeBSD.ORG>
  Date: Fri, 4 Jan 2002 17:04:43 -0800 (PST)
  Message-Id: <200201050104.g0514h793151@freefall.freebsd.org>
  X-Sequence: announce-jp 887

 $B$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. 
 $B=$@5%Q%C%AEy$NFbMF$,2~$6$s$5$l$F$$$J$$$3$H$r3NG'$9$k$?$a$K(B PGP $B=pL>$N(B
 $B%A%'%C%/$r9T$J$&$K$O(B, $B86J8$r;2>H$7$F$/$@$5$$(B. 

 $BF|K\8lLu$*$h$S(B, $B%_%i!<%5%$%HMxMQ$N>\:Y$K$D$$$F$O(B, $BJ8Kv$N!V(BA. FreeBSD
 $B%;%-%e%j%F%#4+9p(B $BF|K\8lHG$K$D$$$F!W$r$4Mw$/$@$5$$(B.


                                     [$BK]Lu<T(B: $B:4F#(B $B9-@8(B <hrs@jp.FreeBSD.org>]
--($B$3$3$+$i(B)
=============================================================================
FreeBSD-SA-02:04                                            Security Advisory
                                                                FreeBSD, Inc.

$B%H%T%C%/(B:	mutt $B$N(B port $B$K$*$1$k%j%b!<%H$+$i0-MQ2DG=$J(B
                $B%P%C%U%!%*!<%P%U%m!<LdBj(B
                (mutt ports contain remotely exploitable buffer overflow)

$BJ,N`(B:		ports
$B%b%8%e!<%k(B:	mutt
$B9pCNF|(B:		2002-01-04
$B%/%l%8%C%H(B:	Joost Pol <joost@contempt.nl>
$B1F6AHO0O(B:	$B=$@5F|0JA0$N(B Ports Collection
$B=$@5F|(B:		2002-01-02 13:52:03 UTC (ports/mail/mutt: 1.2.x)
                2002-01-02 03:39:01 UTC (ports/mail/mutt-devel: 1.3.x)
FreeBSD $B$K8GM-$+(B:	NO


I.   $BGX7J(B - Background

mutt $B$O%3%s%Q%/%H$J$,$i$bB?5!G=$J(B, Unix $B%*%Z%l!<%F%#%s%0%7%9%F%`MQ$N(B
$B%F%-%9%H%Y!<%9$N%a!<%k%/%i%$%"%s%H$G$9(B.


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

mutt $B$N(B port $B$N(B mutt-1.2.5_1 $B$*$h$S(B mutt-devel-1.3.24_2 $B$h$jA0$N$b$N(B
$B$K$O(B, $B%X%C%@$N%a!<%k%"%I%l%9$N=hM}ItJ,$K%P%C%U%!%*!<%P%U%m!<LdBj$,(B
$B4^$^$l$F$$$^$9(B.

mutt $B$*$h$S(B mutt-devel $B$N(B port $B$O$$$:$l$b%G%U%)%k%H$G(B
$B%$%s%9%H!<%k$5$l$k$b$N$G$O$J$/(B,$B!V(BFreeBSD $B%7%9%F%`$N0lIt!W$r(B
$B9=@.$9$k$b$N$G$b$"$j$^$;$s(B.
$B$=$l$i$O(B 6000 $B$r1[$($k%5!<%I%Q!<%F%#@=%"%W%j%1!<%7%g%s$,$9$0$K(B
$B%$%s%9%H!<%k$G$-$k7A$G<}$a$i$l$F$$$k(B FreeBSD Ports Collection $B$N0lIt$G$9(B.
$B$3$NLdBj$O(B FreeBSD 4.4 $B$N%j%j!<%98e$KH/8+!&=$@5$5$l$?$?$a(B,
FreeBSD 4.4 $B$K$O$3$NLdBj$K$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%;%-%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

$B967b<T$,FC<l$J:Y9)$r;\$7$?%a!<%k%"%I%l%9$r(B, $B%a%C%;!<%8%X%C%@$N$$$:$l$+$K(B
$B;E9~$s$@%a!<%k%a%C%;!<%8$r967bBP>]$KAw$C$?$H$7$^$9(B.  $B$=$N%a!<%k$r(B
$B967bBP>]$H$J$C$?%f!<%6$,(B mutt $B$r;H$C$FFI$s$@>l9g(B, $B$A$g$&$I(B
$B$=$N%a!<%k%"%I%l%9$K$5$7$+$+$C$?;~$K%P%C%U%!%*!<%P%U%m!<$r(B
$BH/@8$5$;$k$3$H$,2DG=$G$9(B.  $B$3$l$O(B, $B967bBP>]$N%f!<%68"8B$G(B
$BG$0U$N%3!<%I$r<B9T$9$k$3$H$r2DG=$G$"$k$3$H$r0UL#$7$^$9(B.


IV.  $B2sHrJ}K!(B - Workaround

1) mutt $B$*$h$S(B mutt-devel $B$N(B port/package $B$,%$%s%9%H!<%k$5$l$F$$$k>l9g$O(B,
   $B$=$l$r%7%9%F%`$+$i:o=|$7$^$9(B.


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

1) Ports Collection $BA4BN$r%"%C%W%0%l!<%I$7(B mutt $B$*$h$S(B mutt-devel
   $B$N(B port $B$r:F9=C[$9$k(B.

2) $B8E$$(B ($BLuCm(B: mutt $B$*$h$S(B mutt-devel $B$N(B) package $B$r%7%9%F%`$+$i:o=|$7(B,
   $B=$@5F|0J9_$K:n@.$5$l$??7$7$$(B package $B$r0J2<$N>l=j$+$i(B
   $B<hF@$7$F%$%s%9%H!<%k$9$k(B.

[i386]
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-4-stable/mail/mutt-1.2.5_1.tgz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-4-stable/mail/mutt-devel-1.3.24_2.tgz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-5-current/mail/mutt-1.2.5_1.tgz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-5-current/mail/mutt-devel-1.3.24_2.tgz

[alpha]
$B8=;~E@$G$O(B alpha $B%"!<%-%F%/%A%cMQ$N(B package $B$O<+F0@8@.$5$l$F$$$^$;$s(B.
$B$3$l$O(B, $B9=C[$N$?$a$N%^%7%s%j%=!<%9$,ITB-$7$F$$$k$?$a$G$9(B.

$BCm0U(B: $B99?7$5$l$?(B package $B$,Ds6!$5$l$k$^$G(B, $B?tF|$+$+$k2DG=@-$,$"$j$^$9(B.

3) mutt $B$*$h$S(B mutt-devel $B$N?7$7$$(B port $B%9%1%k%H%s$r0J2<$N>l=j$+$i(B
   $B%@%&%s%m!<%I$7(B, $B$=$l$r;H$C$F(B port $B$r:F9=C[$9$k(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%#$r;H$&(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-4-stable/devel/portcheckout-2.0.tgz
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-5-current/devel/portcheckout-2.0.tgz


VI.  $B=$@5$N>\:Y(B - Correction details

$B<!$NI=$O(B, $B:#2s=$@5$5$l$?(B FreeBSD $B$N%=!<%9%U%!%$%k$N(B
$FreeBSD$ $B%j%S%8%g%sHV9f$G$9(B.

$B%Q%9L>(B                                                       $B%j%S%8%g%sHV9f(B
- -------------------------------------------------------------------------
ports/mail/mutt/Makefile                                            1.110
ports/mail/mutt/files/patch-rfc822.c                                  1.1
ports/mail/mutt-devel/Makefile                                      1.141
ports/mail/mutt-devel/files/patch-rfc822-security                     1.1
- -------------------------------------------------------------------------


VII. $B;29M;qNA(B - References

<URL:http://www.mutt.org/announce/mutt-1.2.5.1-1.3.25.html>


A.   FreeBSD $B%;%-%e%j%F%#4+9p(B $BF|K\8lHG$K$D$$$F(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$,(B
$B;29M$N$?$a$KDs6!$9$k$b$N$G$9(B.  $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.  

$B$?$@$7(B, $BK]Lu<T$*$h$S(B doc-jp $B$O(B, $B$=$NFbMF$K$D$$$F$$$+$J$kJ]>Z$b(B
$B$$$?$7$^$;$s$N$G$4Cm0U$/$@$5$$(B.  $BF|K\8lLu$K$D$$$F$N$40U8+(B, $B$4MWK>(B,
$B$*Ld$$9g$o$;Ey$O(B doc-jp@jp.FreeBSD.org $B$^$G$*4j$$$7$^$9(B.

$B$3$N4+9p$NCf$G>R2p$5$l$F$$$k(B WWW $B%5%$%H(B http://www.FreeBSD.org/ $B$*$h$S(B
FTP $B%5%$%H(B ftp://ftp.FreeBSD.org/ $B$K$O(B, $BF|K\$N%_%i!<%5%$%H$,B8:_$7$^$9(B.
$B%M%C%H%o!<%/$N:.;($r4KOB$9$k$?$a(B, $B$^$:$O%_%i!<%5%$%H$NMxMQ$r(B
$B9MN8$9$k$h$&$*4j$$$7$^$9(B.

$BF|K\$N%_%i!<%5%$%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.

$BB>$NCO0h$r4^$`(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$^$H$a$i$l$F$$$^$9(B.

