Date: Fri, 16 Apr 2004 06:30:24 -0700 (PDT) From: dada@sbox.tugraz.at To: freebsd-ports-bugs@FreeBSD.org Subject: Re: ports/65620: ports/security/cfs: cfssh(1) creates insecure directory Message-ID: <200404161330.i3GDUO9S005609@freefall.freebsd.org>
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The following reply was made to PR ports/65620; it has been noted by GNATS.
From: dada@sbox.tugraz.at
To: FreeBSD-gnats-submit@FreeBSD.org, freebsd-ports-bugs@FreeBSD.org
Cc:
Subject: Re: ports/65620: ports/security/cfs: cfssh(1) creates insecure
directory
Date: Fri, 16 Apr 2004 15:29:37 +0200
Here is a more comprehensive patch:
<-----------------cut here----------------------------------------------
diff -ruN cfs/files/patch-ac /usr/ports/security/cfs/files/patch-ac
--- cfs/files/patch-ac Tue May 23 03:02:39 2000
+++ /usr/ports/security/cfs/files/patch-ac Thu Jan 22 14:42:04 2004
@@ -1,8 +1,23 @@
---- cfssh.orig Mon May 22 20:56:00 2000
-+++ cfssh Mon May 22 20:56:11 2000
-@@ -1,4 +1,4 @@
+--- cfssh.orig Wed Dec 3 22:21:40 1997
++++ cfssh Thu Jan 22 14:38:48 2004
+@@ -1,11 +1,11 @@
-#!/bin/ksh
+#!/bin/sh
- if [ -z "$1" ]; then
+-if [ -z "$1" ]; then
++if [ ! -d "$1" ]; then
echo Usage: cfssh directory
+ exit
+ fi
+ export PS1="crypto:`basename $1`$ "
+-D=.$RANDOM.$RANDOM
++D=$(basename $(mktemp -u /tmp/.XXXXXXXXXXXXX))
+ cattach $1 $D || exit 1
+ echo "Directory is /crypt/$D"
+ cd /crypt/$D
+@@ -13,5 +13,4 @@
+ CWD=`/bin/pwd`
+ D=`basename $CWD`
+ PWD=$CWD
+-export RANDOM=0
+ exec /bin/sh -c "$SHELL ; cdetach $D"
diff -ruN cfs/files/patch-ag /usr/ports/security/cfs/files/patch-ag
--- cfs/files/patch-ag Thu Jan 1 01:00:00 1970
+++ /usr/ports/security/cfs/files/patch-ag Thu Jan 22 14:50:21 2004
@@ -0,0 +1,8 @@
+--- cfssh.1.orig Wed Dec 3 22:21:43 1997
++++ cfssh.1 Thu Jan 22 14:49:21 2004
+@@ -1,4 +1,4 @@
+-.TH SSH 1 ""
++.TH CFSSH 1 ""
+ .SH NAME
+ cfssh - (somewhat) secure CFS shell
+ .SH SYNOPSIS
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