c58b0b399f
Tor 0.3.0.7 fixes a medium-severity security bug in earlier versions
of Tor 0.3.0.x, where an attacker could cause a Tor relay process to
exit. Relays running earlier versions of Tor 0.3.0.x should upgrade;
clients are not affected.
o Major bugfixes (hidden service directory, security):
- Fix an assertion failure in the hidden service directory code,
which could be used by an attacker to remotely cause a Tor relay
process to exit. Relays running earlier versions of Tor 0.3.0.x
should upgrade. This security issue is tracked as TROVE-2017-002.
Fixes bug 22246; bugfix on 0.3.0.1-alpha.
o Minor features:
- Update geoip and geoip6 to the May 2 2017 Maxmind GeoLite2
Country database.
o Minor features (future-proofing):
- Tor no longer refuses to download microdescriptors or descriptors
if they are listed as "published in the future". This change will
eventually allow us to stop listing meaningful "published" dates
in microdescriptor consensuses, and thereby allow us to reduce the
resources required to download consensus diffs by over 50%.
Implements part of ticket 21642; implements part of proposal 275.
o Minor bugfixes (Linux seccomp2 sandbox):
- The getpid() system call is now permitted under the Linux seccomp2
sandbox, to avoid crashing with versions of OpenSSL (and other
libraries) that attempt to learn the process's PID by using the
syscall rather than the VDSO code. Fixes bug 21943; bugfix
on 0.2.5.1-alpha.
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