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authorNick Mathewson <nickm@torproject.org>2017-09-18 09:40:36 -0400
committerNick Mathewson <nickm@torproject.org>2017-09-18 09:40:36 -0400
commit9d8d4cb3fa3e678955b30dc9ff8d01b3f54d805d (patch)
tree8450944b8d8a2d5e894a0866161377c55236368a
parent7df790890593de1cc2aef84305102f80c00bb8f8 (diff)
parent09ea89764a4d3a907808ed7d4fe42abfe64bd486 (diff)
downloadtor-9d8d4cb3fa3e678955b30dc9ff8d01b3f54d805d.tar.gz
tor-9d8d4cb3fa3e678955b30dc9ff8d01b3f54d805d.zip
Merge branch 'trove-2017-008_030' into maint-0.3.0
-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 fb777ca154..8087e88499 100644
--- a/src/or/rendservice.c
+++ b/src/or/rendservice.c
@@ -3372,6 +3372,8 @@ 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);
@@ -3388,8 +3390,6 @@ 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);