diff options
| -rw-r--r-- | changes/trove-2017-004 | 4 | ||||
| -rw-r--r-- | changes/trove-2017-005 | 7 | ||||
| -rw-r--r-- | src/or/relay.c | 3 |
3 files changed, 11 insertions, 3 deletions
diff --git a/changes/trove-2017-004 b/changes/trove-2017-004 index aa901456b0..eb0789de01 100644 --- a/changes/trove-2017-004 +++ b/changes/trove-2017-004 @@ -1,8 +1,8 @@ o Major bugfixes (hidden service, relay, security): - - Fix an assertion failure when an hidden service handles a + - Fix an assertion failure when a hidden service handles a malformed BEGIN cell. This bug resulted in the service crashing triggered by a tor_assert(). Fixes bug 22493, tracked as - TROVE-2017-004 and as CVE-2017-0375; bugfix on tor-0.3.0.1-alpha. + TROVE-2017-004 and as CVE-2017-0375; bugfix on 0.3.0.1-alpha. Found by armadev. diff --git a/changes/trove-2017-005 b/changes/trove-2017-005 new file mode 100644 index 0000000000..cebb013f86 --- /dev/null +++ b/changes/trove-2017-005 @@ -0,0 +1,7 @@ + o Major bugfixes (hidden service, relay, security): + - Fix an assertion failure caused by receiving a BEGIN_DIR cell on + a hidden service rendezvous circuit. Fixes bug 22494, tracked as + TROVE-2017-005 and CVE-2017-0376; bugfix on 0.2.2.1-alpha. Found + by armadev. + + diff --git a/src/or/relay.c b/src/or/relay.c index c119c3df14..0ff53ed5e9 100644 --- a/src/or/relay.c +++ b/src/or/relay.c @@ -1636,7 +1636,8 @@ connection_edge_process_relay_cell(cell_t *cell, circuit_t *circ, "Begin cell for known stream. Dropping."); return 0; } - if (rh.command == RELAY_COMMAND_BEGIN_DIR) { + if (rh.command == RELAY_COMMAND_BEGIN_DIR && + circ->purpose != CIRCUIT_PURPOSE_S_REND_JOINED) { /* Assign this circuit and its app-ward OR connection a unique ID, * so that we can measure download times. The local edge and dir * connection will be assigned the same ID when they are created |