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and bring all the changelogs into master too
This commit is contained in:
Roger Dingledine
parent
e3f4a96528
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b8ef2eaba4
114
ChangeLog
114
ChangeLog
@ -1,6 +1,120 @@
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Changes in version 0.2.6.1-alpha - 2014-??-??
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Changes in version 0.2.5.6-alpha - 2014-07-28
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Tor 0.2.5.6-alpha brings us a big step closer to slowing down the
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risk from guard rotation, and fixes a variety of other issues to get
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us closer to a release candidate.
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o Major features (also in 0.2.4.23):
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- Make the number of entry guards configurable via a new
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NumEntryGuards consensus parameter, and the number of directory
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guards configurable via a new NumDirectoryGuards consensus
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parameter. Implements ticket 12688.
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o Major bugfixes (also in 0.2.4.23):
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- Fix a bug in the bounds-checking in the 32-bit curve25519-donna
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implementation that caused incorrect results on 32-bit
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implementations when certain malformed inputs were used along with
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a small class of private ntor keys. This bug does not currently
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appear to allow an attacker to learn private keys or impersonate a
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Tor server, but it could provide a means to distinguish 32-bit Tor
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implementations from 64-bit Tor implementations. Fixes bug 12694;
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bugfix on 0.2.4.8-alpha. Bug found by Robert Ransom; fix from
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Adam Langley.
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o Major bugfixes:
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- Perform circuit cleanup operations even when circuit
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construction operations are disabled (because the network is
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disabled, or because there isn't enough directory information).
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Previously, when we were not building predictive circuits, we
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were not closing expired circuits either. Fixes bug 8387; bugfix on
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0.1.1.11-alpha. This bug became visible in 0.2.4.10-alpha when we
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became more strict about when we have "enough directory information
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to build circuits".
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o Minor features:
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- Authorities now assign the Guard flag to the fastest 25% of the
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network (it used to be the fastest 50%). Also raise the consensus
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weight that guarantees the Guard flag from 250 to 2000. For the
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current network, this results in about 1100 guards, down from 2500.
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This step paves the way for moving the number of entry guards
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down to 1 (proposal 236) while still providing reasonable expected
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performance for most users. Implements ticket 12690.
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- Update geoip and geoip6 to the July 10 2014 Maxmind GeoLite2
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Country database.
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- Slightly enhance the diagnostic message for bug 12184.
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o Minor bugfixes (also in 0.2.4.23):
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- Warn and drop the circuit if we receive an inbound 'relay early'
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cell. Those used to be normal to receive on hidden service circuits
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due to bug 1038, but the buggy Tor versions are long gone from
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the network so we can afford to resume watching for them. Resolves
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the rest of bug 1038; bugfix on 0.2.1.19.
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- Correct a confusing error message when trying to extend a circuit
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via the control protocol but we don't know a descriptor or
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microdescriptor for one of the specified relays. Fixes bug 12718;
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bugfix on 0.2.3.1-alpha.
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o Minor bugfixes:
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- Fix compilation when building with bufferevents enabled. (This
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configuration is still not expected to work, however.)
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Fixes bugs 12438, 12474, 11578; bugfixes on 0.2.5.1-alpha and
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0.2.5.3-alpha. Patches from Anthony G. Basile and Sathyanarayanan
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Gunasekaran.
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- Compile correctly with builds and forks of OpenSSL (such as
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LibreSSL) that disable compression. Fixes bug 12602; bugfix on
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0.2.1.1-alpha. Patch from "dhill".
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Changes in version 0.2.4.23 - 2014-07-28
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Tor 0.2.4.23 brings us a big step closer to slowing down the risk from
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guard rotation, and also backports several important fixes from the
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Tor 0.2.5 alpha release series.
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o Major features:
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- Clients now look at the "usecreatefast" consensus parameter to
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decide whether to use CREATE_FAST or CREATE cells for the first hop
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of their circuit. This approach can improve security on connections
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where Tor's circuit handshake is stronger than the available TLS
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connection security levels, but the tradeoff is more computational
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load on guard relays. Implements proposal 221. Resolves ticket 9386.
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- Make the number of entry guards configurable via a new
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NumEntryGuards consensus parameter, and the number of directory
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guards configurable via a new NumDirectoryGuards consensus
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parameter. Implements ticket 12688.
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o Major bugfixes:
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- Fix a bug in the bounds-checking in the 32-bit curve25519-donna
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implementation that caused incorrect results on 32-bit
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implementations when certain malformed inputs were used along with
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a small class of private ntor keys. This bug does not currently
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appear to allow an attacker to learn private keys or impersonate a
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Tor server, but it could provide a means to distinguish 32-bit Tor
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implementations from 64-bit Tor implementations. Fixes bug 12694;
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bugfix on 0.2.4.8-alpha. Bug found by Robert Ransom; fix from
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Adam Langley.
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o Minor bugfixes:
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- Warn and drop the circuit if we receive an inbound 'relay early'
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cell. Those used to be normal to receive on hidden service circuits
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due to bug 1038, but the buggy Tor versions are long gone from
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the network so we can afford to resume watching for them. Resolves
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the rest of bug 1038; bugfix on 0.2.1.19.
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- Correct a confusing error message when trying to extend a circuit
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via the control protocol but we don't know a descriptor or
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microdescriptor for one of the specified relays. Fixes bug 12718;
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bugfix on 0.2.3.1-alpha.
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- Avoid an illegal read from stack when initializing the TLS
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module using a version of OpenSSL without all of the ciphers
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used by the v2 link handshake. Fixes bug 12227; bugfix on
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0.2.4.8-alpha. Found by "starlight".
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o Minor features:
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- Update geoip and geoip6 to the July 10 2014 Maxmind GeoLite2
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Country database.
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Changes in version 0.2.5.5-alpha - 2014-06-18
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Tor 0.2.5.5-alpha fixes a wide variety of remaining issues in the Tor
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0.2.5.x release series, including a couple of DoS issues, some
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48
ReleaseNotes
48
ReleaseNotes
@ -3,6 +3,54 @@ This document summarizes new features and bugfixes in each stable release
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of Tor. If you want to see more detailed descriptions of the changes in
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each development snapshot, see the ChangeLog file.
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Changes in version 0.2.4.23 - 2014-07-28
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Tor 0.2.4.23 brings us a big step closer to slowing down the risk from
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guard rotation, and also backports several important fixes from the
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Tor 0.2.5 alpha release series.
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o Major features:
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- Clients now look at the "usecreatefast" consensus parameter to
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decide whether to use CREATE_FAST or CREATE cells for the first hop
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of their circuit. This approach can improve security on connections
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where Tor's circuit handshake is stronger than the available TLS
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connection security levels, but the tradeoff is more computational
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load on guard relays. Implements proposal 221. Resolves ticket 9386.
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- Make the number of entry guards configurable via a new
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NumEntryGuards consensus parameter, and the number of directory
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guards configurable via a new NumDirectoryGuards consensus
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parameter. Implements ticket 12688.
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o Major bugfixes:
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- Fix a bug in the bounds-checking in the 32-bit curve25519-donna
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implementation that caused incorrect results on 32-bit
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implementations when certain malformed inputs were used along with
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a small class of private ntor keys. This bug does not currently
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appear to allow an attacker to learn private keys or impersonate a
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Tor server, but it could provide a means to distinguish 32-bit Tor
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implementations from 64-bit Tor implementations. Fixes bug 12694;
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bugfix on 0.2.4.8-alpha. Bug found by Robert Ransom; fix from
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Adam Langley.
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o Minor bugfixes:
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- Warn and drop the circuit if we receive an inbound 'relay early'
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cell. Those used to be normal to receive on hidden service circuits
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due to bug 1038, but the buggy Tor versions are long gone from
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the network so we can afford to resume watching for them. Resolves
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the rest of bug 1038; bugfix on 0.2.1.19.
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- Correct a confusing error message when trying to extend a circuit
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via the control protocol but we don't know a descriptor or
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microdescriptor for one of the specified relays. Fixes bug 12718;
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bugfix on 0.2.3.1-alpha.
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- Avoid an illegal read from stack when initializing the TLS
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module using a version of OpenSSL without all of the ciphers
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used by the v2 link handshake. Fixes bug 12227; bugfix on
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0.2.4.8-alpha. Found by "starlight".
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o Minor features:
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- Update geoip and geoip6 to the July 10 2014 Maxmind GeoLite2
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Country database.
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Changes in version 0.2.4.22 - 2014-05-16
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Tor 0.2.4.22 backports numerous high-priority fixes from the Tor 0.2.5
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alpha release series. These include blocking all authority signing
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