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forward-port the 0.2.2.33 changelog

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Roger Dingledine 2011-09-13 19:19:38 -04:00
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63
ChangeLog
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@ -62,6 +62,69 @@ Changes in version 0.2.3.4-alpha - 2011-09-??
connection", to simplify the code and make exit connections smaller.
Changes in version 0.2.2.33 - 2011-09-13
Tor 0.2.2.33 fixes several bugs, and includes a slight tweak to Tor's
TLS handshake that makes relays and bridges that run this new version
reachable from Iran again.
o Major bugfixes:
- Avoid an assertion failure when reloading a configuration with
TrackExitHosts changes. Found and fixed by 'laruldan'. Fixes bug
3923; bugfix on 0.2.2.25-alpha.
o Minor features (security):
- Check for replays of the public-key encrypted portion of an
INTRODUCE1 cell, in addition to the current check for replays of
the g^x value. This prevents a possible class of active attacks
by an attacker who controls both an introduction point and a
rendezvous point, and who uses the malleability of AES-CTR to
alter the encrypted g^x portion of the INTRODUCE1 cell. We think
that these attacks are infeasible (requiring the attacker to send
on the order of zettabytes of altered cells in a short interval),
but we'd rather block them off in case there are any classes of
this attack that we missed. Reported by Willem Pinckaers.
o Minor features:
- Adjust the expiration time on our SSL session certificates to
better match SSL certs seen in the wild. Resolves ticket 4014.
- Change the default required uptime for a relay to be accepted as
a HSDir (hidden service directory) from 24 hours to 25 hours.
Improves on 0.2.0.10-alpha; resolves ticket 2649.
- Add a VoteOnHidServDirectoriesV2 config option to allow directory
authorities to abstain from voting on assignment of the HSDir
consensus flag. Related to bug 2649.
- Update to the September 6 2011 Maxmind GeoLite Country database.
o Minor bugfixes (documentation and log messages):
- Correct the man page to explain that HashedControlPassword and
CookieAuthentication can both be set, in which case either method
is sufficient to authenticate to Tor. Bugfix on 0.2.0.7-alpha,
when we decided to allow these config options to both be set. Issue
raised by bug 3898.
- Demote the 'replay detected' log message emitted when a hidden
service receives the same Diffie-Hellman public key in two different
INTRODUCE2 cells to info level. A normal Tor client can cause that
log message during its normal operation. Bugfix on 0.2.1.6-alpha;
fixes part of bug 2442.
- Demote the 'INTRODUCE2 cell is too {old,new}' log message to info
level. There is nothing that a hidden service's operator can do
to fix its clients' clocks. Bugfix on 0.2.1.6-alpha; fixes part
of bug 2442.
- Clarify a log message specifying the characters permitted in
HiddenServiceAuthorizeClient client names. Previously, the log
message said that "[A-Za-z0-9+-_]" were permitted; that could have
given the impression that every ASCII character between "+" and "_"
was permitted. Now we say "[A-Za-z0-9+_-]". Bugfix on 0.2.1.5-alpha.
o Build fixes:
- Provide a substitute implementation of lround() for MSVC, which
apparently lacks it. Patch from Gisle Vanem.
- Clean up some code issues that prevented Tor from building on older
BSDs. Fixes bug 3894; reported by "grarpamp".
- Search for a platform-specific version of "ar" when cross-compiling.
Should fix builds on iOS. Resolves bug 3909, found by Marco Bonetti.
Changes in version 0.2.3.3-alpha - 2011-09-01
Tor 0.2.3.3-alpha adds a new "stream isolation" feature to improve Tor's
security, and provides client-side support for the microdescriptor

63
ReleaseNotes
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@ -3,6 +3,69 @@ This document summarizes new features and bugfixes in each stable release
of Tor. If you want to see more detailed descriptions of the changes in
each development snapshot, see the ChangeLog file.
Changes in version 0.2.2.33 - 2011-09-13
Tor 0.2.2.33 fixes several bugs, and includes a slight tweak to Tor's
TLS handshake that makes relays and bridges that run this new version
reachable from Iran again.
o Major bugfixes:
- Avoid an assertion failure when reloading a configuration with
TrackExitHosts changes. Found and fixed by 'laruldan'. Fixes bug
3923; bugfix on 0.2.2.25-alpha.
o Minor features (security):
- Check for replays of the public-key encrypted portion of an
INTRODUCE1 cell, in addition to the current check for replays of
the g^x value. This prevents a possible class of active attacks
by an attacker who controls both an introduction point and a
rendezvous point, and who uses the malleability of AES-CTR to
alter the encrypted g^x portion of the INTRODUCE1 cell. We think
that these attacks are infeasible (requiring the attacker to send
on the order of zettabytes of altered cells in a short interval),
but we'd rather block them off in case there are any classes of
this attack that we missed. Reported by Willem Pinckaers.
o Minor features:
- Adjust the expiration time on our SSL session certificates to
better match SSL certs seen in the wild. Resolves ticket 4014.
- Change the default required uptime for a relay to be accepted as
a HSDir (hidden service directory) from 24 hours to 25 hours.
Improves on 0.2.0.10-alpha; resolves ticket 2649.
- Add a VoteOnHidServDirectoriesV2 config option to allow directory
authorities to abstain from voting on assignment of the HSDir
consensus flag. Related to bug 2649.
- Update to the September 6 2011 Maxmind GeoLite Country database.
o Minor bugfixes (documentation and log messages):
- Correct the man page to explain that HashedControlPassword and
CookieAuthentication can both be set, in which case either method
is sufficient to authenticate to Tor. Bugfix on 0.2.0.7-alpha,
when we decided to allow these config options to both be set. Issue
raised by bug 3898.
- Demote the 'replay detected' log message emitted when a hidden
service receives the same Diffie-Hellman public key in two different
INTRODUCE2 cells to info level. A normal Tor client can cause that
log message during its normal operation. Bugfix on 0.2.1.6-alpha;
fixes part of bug 2442.
- Demote the 'INTRODUCE2 cell is too {old,new}' log message to info
level. There is nothing that a hidden service's operator can do
to fix its clients' clocks. Bugfix on 0.2.1.6-alpha; fixes part
of bug 2442.
- Clarify a log message specifying the characters permitted in
HiddenServiceAuthorizeClient client names. Previously, the log
message said that "[A-Za-z0-9+-_]" were permitted; that could have
given the impression that every ASCII character between "+" and "_"
was permitted. Now we say "[A-Za-z0-9+_-]". Bugfix on 0.2.1.5-alpha.
o Build fixes:
- Provide a substitute implementation of lround() for MSVC, which
apparently lacks it. Patch from Gisle Vanem.
- Clean up some code issues that prevented Tor from building on older
BSDs. Fixes bug 3894; reported by "grarpamp".
- Search for a platform-specific version of "ar" when cross-compiling.
Should fix builds on iOS. Resolves bug 3909, found by Marco Bonetti.
Changes in version 0.2.2.32 - 2011-08-27
The Tor 0.2.2 release series is dedicated to the memory of Andreas
Pfitzmann (1958-2010), a pioneer in anonymity and privacy research,