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| author | Nick Mathewson <nickm@torproject.org> | 2016-10-17 14:55:05 -0400 |
|---|---|---|
| committer | Nick Mathewson <nickm@torproject.org> | 2016-10-17 14:55:05 -0400 |
| commit | 52b2b2c82f304629eb1128ed46fdd6edeba7eb67 (patch) | |
| tree | 48abf7e58221b17a422f5ca316830ca19cd89523 /ChangeLog | |
| parent | 66ecdcdd7573f1dafbdb1e14a7ef375f04be812c (diff) | |
| download | tor-52b2b2c82f304629eb1128ed46fdd6edeba7eb67.tar.gz tor-52b2b2c82f304629eb1128ed46fdd6edeba7eb67.zip | |
Fold 20384 into changelog
Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 30 |
1 files changed, 23 insertions, 7 deletions
@@ -1,11 +1,27 @@ Changes in version 0.2.9.4-alpha - 2016-10-17 - Tor 0.2.9.4-alpha adds numerous small features and fix-ups to previous - versions of Tor, including the implementation of a feature to future- - proof the Tor ecosystem against protocol changes, some bug fixes - necessary for Tor Browser to use unix domain sockets correctly, and - several portability improvements. We anticipate that this will be the - last alpha in the Tor 0.2.9 series, and that the next release will be - a release candidate. + Tor 0.2.9.4-alpha fixes a security hole in previous versions of Tor + that would allow a remote attacker to crash a Tor client, hidden + service, relay, or authority. All Tor users should upgrade to this + version, or to 0.2.8.9. Patches will be released for older versions + of Tor. + + Tor 0.2.9.4-alpha also adds numerous small features and fix-ups to + previous versions of Tor, including the implementation of a feature to + future- proof the Tor ecosystem against protocol changes, some bug + fixes necessary for Tor Browser to use unix domain sockets correctly, + and several portability improvements. We anticipate that this will be + the last alpha in the Tor 0.2.9 series, and that the next release will + be a release candidate. + + o Major features (security fixes): + - Prevent a class of security bugs caused by treating the contents + of a buffer chunk as if they were a NUL-terminated string. At + least one such bug seems to be present in all currently used + versions of Tor, and would allow an attacker to remotely crash + most Tor instances, especially those compiled with extra compiler + hardening. With this defense in place, such bugs can't crash Tor, + though we should still fix them as they occur. Closes ticket + 20384 (TROVE-2016-10-001). o Major features (subprotocol versions): - Tor directory authorities now vote on a set of recommended |