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| author | Nick Mathewson <nickm@torproject.org> | 2017-02-15 07:47:04 -0500 |
|---|---|---|
| committer | Nick Mathewson <nickm@torproject.org> | 2017-02-15 07:47:04 -0500 |
| commit | a452b713955422e217f7056cf50cb3591830dee9 (patch) | |
| tree | fa8d40ee823e5c287cdc02cd0755a15f0a9b7131 /changes | |
| parent | 124062e84339ac16ca007a1dc3227951eadcf35b (diff) | |
| parent | 194e31057fbf07d6bdf4b62d26e1a9db334e5f1c (diff) | |
| download | tor-a452b713955422e217f7056cf50cb3591830dee9.tar.gz tor-a452b713955422e217f7056cf50cb3591830dee9.zip | |
Merge branch 'maint-0.2.4' into maint-0.2.5
Diffstat (limited to 'changes')
| -rw-r--r-- | changes/bug20384 | 10 | ||||
| -rw-r--r-- | changes/trove-2017-001.2 | 8 |
2 files changed, 18 insertions, 0 deletions
diff --git a/changes/bug20384 b/changes/bug20384 new file mode 100644 index 0000000000..591015ad94 --- /dev/null +++ b/changes/bug20384 @@ -0,0 +1,10 @@ + 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). + diff --git a/changes/trove-2017-001.2 b/changes/trove-2017-001.2 new file mode 100644 index 0000000000..3ef073cf9f --- /dev/null +++ b/changes/trove-2017-001.2 @@ -0,0 +1,8 @@ + o Major bugfixes (parsing): + - Fix an integer underflow bug when comparing malformed Tor versions. + This bug is harmless, except when Tor has been built with + --enable-expensive-hardening, which would turn it into a crash; + or on Tor 0.2.9.1-alpha through Tor 0.2.9.8, which were built with + -ftrapv by default. + Part of TROVE-2017-001. Fixes bug 21278; bugfix on + 0.0.8pre1. Found by OSS-Fuzz. |