* backport from 0.2.0.26-rc-1: Conflict with old libssls.
* backport from 0.2.0.26-rc-1: On upgrading from versions prior to, including, 0.1.2.19-2 if we are a server (we have a /var/lib/tor/keys directory) - move /var/lib/tor/keys/secret_onion_key out of the way. - move /var/lib/tor/keys/secret_onion_key.old out of the way. - move /var/lib/tor/keys/secret_id_key out of the way if it was created on or after 2006-09-17, which is the day the bad libssl was uploaded to Debian unstable. * backport from 0.2.0.26-rc-1: Add a NEWS file explaining this change. svn:r14616
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@ -1,10 +1,20 @@
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tor (0.1.2.19-3) unstableunreleased; urgency=low
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tor (0.1.2.19-3) unstable; urgency=critical
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* It's 2008. Now is the time to add copyright statements for 2007.
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* Work around fig2dev failing to build the images on all archs -
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backport from 0.2.0.22-rc-1 (re #457568).
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* backport from 0.2.0.26-rc-1: Conflict with old libssls.
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* backport from 0.2.0.26-rc-1: On upgrading from versions prior to,
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including, 0.1.2.19-2 if we are a server (we have a /var/lib/tor/keys
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directory)
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- move /var/lib/tor/keys/secret_onion_key out of the way.
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- move /var/lib/tor/keys/secret_onion_key.old out of the way.
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- move /var/lib/tor/keys/secret_id_key out of the way if it was
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created on or after 2006-09-17, which is the day the bad
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libssl was uploaded to Debian unstable.
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* backport from 0.2.0.26-rc-1: Add a NEWS file explaining this change.
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-- Peter Palfrader <weasel@debian.org> Wed, 14 May 2008 15:00:47 +0200
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-- Peter Palfrader <weasel@debian.org> Wed, 14 May 2008 15:05:47 +0200
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tor (0.1.2.19-2) unstable; urgency=low
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@ -8,6 +8,7 @@ Standards-Version: 3.7.2
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Package: tor
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Architecture: any
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Depends: ${shlibs:Depends}, adduser, tsocks
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Conflicts: libssl0.9.8 (<< 0.9.8g-9)
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Recommends: privoxy | polipo (>= 1), socat
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Suggests: mixmaster, mixminion, anon-proxy
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Description: anonymizing overlay network for TCP
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@ -0,0 +1,16 @@
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tor (0.2.0.26-rc-1) experimental; urgency=critical
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* weak cryptographic keys
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It has been discovered that the random number generator in Debian's
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openssl package is predictable. This is caused by an incorrect
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Debian-specific change to the openssl package (CVE-2008-0166). As a
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result, cryptographic key material may be guessable.
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See Debian Security Advisory number 1571 (DSA-1571) for more information:
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http://lists.debian.org/debian-security-announce/2008/msg00152.html
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If you run a Tor server using this package please see
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/var/lib/tor/keys/moved-away-by-tor-package/README.REALLY
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-- Peter Palfrader <weasel@debian.org> Tue, 13 May 2008 12:49:05 +0200
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@ -61,6 +61,68 @@ else
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fi
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fi
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move_away_keys=0
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if [ "$1" = "configure" ] &&
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[ -e /var/lib/tor/keys ] &&
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[ ! -z "$2" ]; then
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if dpkg --compare-versions "$2" lt 0.1.2.19-2; then
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move_away_keys=1
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fi
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fi
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if [ "$move_away_keys" = "1" ]; then
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echo "Retiring possibly compromised keys. See /usr/share/doc/tor/NEWS.Debian.gz"
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echo "and /var/lib/tor/keys/moved-away-by-tor-package/README.REALLY for"
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echo "further information."
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if ! [ -d /var/lib/tor/keys/moved-away-by-tor-package ]; then
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mkdir /var/lib/tor/keys/moved-away-by-tor-package
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cat > /var/lib/tor/keys/moved-away-by-tor-package/README.REALLY << EOF
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It has been discovered that the random number generator in Debian's
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openssl package is predictable. This is caused by an incorrect
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Debian-specific change to the openssl package (CVE-2008-0166). As a
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result, cryptographic key material may be guessable.
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See Debian Security Advisory number 1571 (DSA-1571) for more information:
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http://lists.debian.org/debian-security-announce/2008/msg00152.html
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The Debian package for Tor has moved away the onion keys upon package
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upgrade, and it will have moved away your identity key if it was created
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in the affected timeframe. There is no sure way to automatically tell
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if your key was created with an affected openssl library, so this move
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is done unconditionally.
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If you have restarted Tor since this change (and the package probably
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did that for you already unless you configured your system differently)
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then the Tor daemon already created new keys for itself and in all
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likelyhood is already working just fine with new keys.
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If you are absolutely certain that your identity key was created with
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a non-affected version of openssl and for some reason you have to retain
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the old identity, then you can move back the copy of secret_id_key to
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/var/lib/tor/keys. Do not move back the onion keys, they were created
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only recently since they are temporary keys with a lifetime of only a few
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days anyway.
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Sincerely,
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Peter Palfrader, Tue, 13 May 2008 13:32:23 +0200
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EOF
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fi
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for f in secret_onion_key secret_onion_key.old; do
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if [ -e /var/lib/tor/keys/"$f" ]; then
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mv -v /var/lib/tor/keys/"$f" /var/lib/tor/keys/moved-away-by-tor-package/"$f"
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fi
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done
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if [ -e /var/lib/tor/keys/secret_id_key ]; then
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id_mtime=`/usr/bin/stat -c %Y /var/lib/tor/keys/secret_id_key`
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sept=`date -d '2006-09-10' +%s`
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if [ "$id_mtime" -gt "$sept" ] ; then
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mv -v /var/lib/tor/keys/secret_id_key /var/lib/tor/keys/moved-away-by-tor-package/secret_id_key
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fi
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fi
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fi
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#DEBHELPER#
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exit 0
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