sort changes into 0.3.0.4-rc changelog
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Nick Mathewson
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ChangeLog
115
ChangeLog
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Changes in version 0.3.0.4-??? - 2017-02-??
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Changes in version 0.3.0.4-rc - 2017-03-??
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Tor 0.3.0.4-rc fixes some remaining bugs, large and small, in the 0.3.0
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release series, and introduces a few reliability features to keep them
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from coming back.
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This is the first release candidate in the Tor 0.3.0 series.
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If we find no new bugs or regressions here, the first stable 0.2.8
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release will be identical to it.
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o Major bugfixes (bridges):
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- When the same bridge is configured multiple times at different
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address:port combinations (but with the same identity), treat
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those bridge instances as separate guards. This allows clients to
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configure the same bridge with multiple pluggable transports, once
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again. Fixes bug 21027; bugfix on 0.3.0.1-alpha.
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o Major bugfixes (hidden service directory v3):
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- When a descriptor lookup was done and it was not found in the directory
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cache, it would crash on a NULL pointer instead of returning the 404
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code back to the client like it was suppose to. Fixes bug 21471;
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bugfixes on tor-0.3.0.1-alpha.
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o Major bugfixes (HTTP, parsing):
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- When parsing a malformed content-length field from an HTTP message,
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do not read off the end of the buffer. This bug was a potential
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remote denial-of-service attack against Tor clients and relays.
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A workaround was released in October 2016, which prevents this
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bug from crashing Tor. This is a fix for the underlying issue,
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which should no longer matter (if you applied the earlier patch).
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Fixes bug 20894; bugfix on 0.2.0.16-alpha. Bug found by fuzzing
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using AFL (http://lcamtuf.coredump.cx/afl/).
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o Major bugfixes (parsing):
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- Fix an integer underflow bug when comparing malformed Tor versions.
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This bug is harmless, except when Tor has been built with
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--enable-expensive-hardening, which would turn it into a crash;
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or on Tor 0.2.9.1-alpha through Tor 0.2.9.8, which were built with
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-ftrapv by default.
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Part of TROVE-2017-001. Fixes bug 21278; bugfix on
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0.0.8pre1. Found by OSS-Fuzz.
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o Minor feature (protover):
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- Add new protocol version for proposal 224. HSIntro now advertises
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version "3-4" and HSDir version "1-2". Fixes ticket 20656.
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o Minor features (directory authority):
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- Directory authorities now reject descriptors that claim to be
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malformed versions of Tor. Helps prevent exploitation of bug 21278.
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o Minor features (geoip):
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- Update geoip and geoip6 to the February 8 2017 Maxmind GeoLite2
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Country database.
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o Minor features (reliability, crash):
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- Try better to detect problems in buffers where they might grow (or
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think they have grown) over 2 GB in size. Diagnostic for bug 21369.
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o Minor features (testing):
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- During 'make test-network-all', if tor logs any warnings, ask chutney
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to output them. Requires a recent version of chutney with the 21572
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patch.
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Implements 21570.
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o Minor bugfixes (certificate expiration time):
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- Avoid using link certificates that don't become valid till
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some time in the future. Fixes bug 21420; bugfix on 0.2.4.11-alpha
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o Minor bugfixes (code correctness):
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- Repair a couple of (unreachable or harmless) cases of the risky
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comparison-by-subtraction pattern that caused bug 21278.
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o Minor bugfixes (correctness):
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- Remove a redundant check for the UseEntryGuards option from the
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options_transition_affects_guards() function. Fixes bug 21492;
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bugfix on 0.3.0.1-alpha.
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o Minor bugfixes (directory mirrors):
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- Allow relays to use directory mirrors without a DirPort: these relays
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need to be contacted over their ORPorts using a begindir connection.
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Fixes bug 20711; bugfix on 0.2.8.2-alpha.
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- Clarify the message logged when a remote relay is unexpectedly missing
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an ORPort or DirPort: users were confusing this with a local port.
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Fixes bug 20711; bugfix on 0.2.8.2-alpha.
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o Minor bugfixes (guards):
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- Don't warn about a missing guard state on timeout-measurement
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circuits: they aren't supposed to be using guards. Fixes an
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instance of bug 21007; bugfix on 0.3.0.1-alpha.
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o Minor bugfixes (hidden service):
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- When encoding a legacy ESTABLISH_INTRO cell, we were using the sizeof()
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on a pointer instead of real size of the destination buffer leading to
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an overflow passing an enormous value to the signing digest function.
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Fortunately, that value was only used to make sure the destination
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buffer length was big enough for the key size and in this case it was.
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Fixes bug 21553; bugfix on 0.3.0.1-alpha.
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o Minor bugfixes (testing):
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- Fix Raspbian build missing socket errno in test util. Fixes bug 21116;
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bugfix on tor-0.2.8.2. Patch by "hein".
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- Rename "make fuzz" to "make test-fuzz-corpora", since it doesn't
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actually fuzz anything. Fixes bug 21447; bugfix on 0.3.0.3-alpha.
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- Use bash in src/test/test-network.sh. This ensures we reliably call
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chutney's newer tools/test-network.sh when available.
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Fixes bug 21562; bugfix on 0.2.9.1-alpha.
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o Minor bugfixes (voting consistency):
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- Reject version numbers with components that exceed INT32_MAX.
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Otherwise 32-bit and 64-bit platforms would behave inconsistently.
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Fixes bug 21450; bugfix on 0.0.8pre1.
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o Documentation:
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- Small fixes to the fuzzing documentation. Closes ticket
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21472.
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Changes in version 0.3.0.3-alpha - 2017-02-03
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