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authorNick Mathewson <nickm@torproject.org>2017-09-18 09:42:30 -0400
committerNick Mathewson <nickm@torproject.org>2017-09-18 09:42:30 -0400
commitc7d0096f9ddde0d8663b40f17110ded40309e09a (patch)
treeb74666f6d20a73ef1fddc3f999fd7cf159650a00
parentdd8eeabfd18f4a52eb85960701b914e4f89a00bf (diff)
parent23c4592ee98df59ccfe1a31bf714809caa78ca98 (diff)
downloadtor-c7d0096f9ddde0d8663b40f17110ded40309e09a.tar.gz
tor-c7d0096f9ddde0d8663b40f17110ded40309e09a.zip
Merge branch 'maint-0.3.1'
-rw-r--r--changes/trove-2017-0085
-rw-r--r--src/or/rendservice.c4
2 files changed, 7 insertions, 2 deletions
diff --git a/changes/trove-2017-008 b/changes/trove-2017-008
new file mode 100644
index 0000000000..4b9c5b0a12
--- /dev/null
+++ b/changes/trove-2017-008
@@ -0,0 +1,5 @@
+ o Major bugfixes (security, hidden services, loggging):
+ - Fix a bug where we could log uninitialized stack when a certain
+ hidden service error occurred while SafeLogging was disabled.
+ Fixes bug #23490; bugfix on 0.2.7.2-alpha.
+ This is also tracked as TROVE-2017-008 and CVE-2017-0380.
diff --git a/src/or/rendservice.c b/src/or/rendservice.c
index f67e332b7f..1e89ab6a7f 100644
--- a/src/or/rendservice.c
+++ b/src/or/rendservice.c
@@ -3278,6 +3278,8 @@ rend_service_intro_established(origin_circuit_t *circuit,
(unsigned)circuit->base_.n_circ_id);
goto err;
}
+ base32_encode(serviceid, REND_SERVICE_ID_LEN_BASE32 + 1,
+ rend_pk_digest, REND_SERVICE_ID_LEN);
/* We've just successfully established a intro circuit to one of our
* introduction point, account for it. */
intro = find_intro_point(circuit);
@@ -3294,8 +3296,6 @@ rend_service_intro_established(origin_circuit_t *circuit,
service->desc_is_dirty = time(NULL);
circuit_change_purpose(TO_CIRCUIT(circuit), CIRCUIT_PURPOSE_S_INTRO);
- base32_encode(serviceid, REND_SERVICE_ID_LEN_BASE32 + 1,
- rend_pk_digest, REND_SERVICE_ID_LEN);
log_info(LD_REND,
"Received INTRO_ESTABLISHED cell on circuit %u for service %s",
(unsigned)circuit->base_.n_circ_id, serviceid);