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| author | Nick Mathewson <nickm@torproject.org> | 2017-02-15 07:47:28 -0500 |
|---|---|---|
| committer | Nick Mathewson <nickm@torproject.org> | 2017-02-15 07:47:28 -0500 |
| commit | 1ebdae61711ec03ce49af2f356756b5db9587412 (patch) | |
| tree | 5b861d2cf06aae03e2d426584e19910f7912ea20 /changes | |
| parent | 9b90d515a9fc52c2579d55406e78de8d2fb5fa19 (diff) | |
| parent | ed806843dc8e7942a2a0abfbb2ae374e11963feb (diff) | |
| download | tor-1ebdae61711ec03ce49af2f356756b5db9587412.tar.gz tor-1ebdae61711ec03ce49af2f356756b5db9587412.zip | |
Merge branch 'maint-0.2.7' into maint-0.2.8
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. |