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Posted to commits@knox.apache.org by lm...@apache.org on 2026/07/18 14:02:07 UTC
(knox) branch pr-1293 created (now a83f03123)
This is an automated email from the ASF dual-hosted git repository.
lmccay pushed a change to branch pr-1293
in repository https://gitbox.apache.org/repos/asf/knox.git
at a83f03123 Resolved 4 additional "inferred" to "maintainer"
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new a83f03123 Resolved 4 additional "inferred" to "maintainer"
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(knox) 01/01: Resolved 4 additional "inferred" to "maintainer"
Posted by lm...@apache.org.
This is an automated email from the ASF dual-hosted git repository.
lmccay pushed a commit to branch pr-1293
in repository https://gitbox.apache.org/repos/asf/knox.git
commit a83f031236079c0f1d11a9993106ac04be86acd8
Author: Larry McCay <lm...@apache.org>
AuthorDate: Sat Jul 18 10:01:39 2026 -0400
Resolved 4 additional "inferred" to "maintainer"
---
THREAT_MODEL.md | 33 +++++++++++++++++++--------------
1 file changed, 19 insertions(+), 14 deletions(-)
diff --git a/THREAT_MODEL.md b/THREAT_MODEL.md
index 8e05d5673..a20c658e2 100644
--- a/THREAT_MODEL.md
+++ b/THREAT_MODEL.md
@@ -49,14 +49,16 @@ under the License.
### Draft confidence
-**~14 documented / ~20 maintainer / ~22 inferred** (after the 2026-07-09 PMC
+**~17 documented / ~39 maintainer / ~11 inferred** (after the 2026-07-09 PMC
review). The Wave 1–3 core answers — deployment shape, adversary boundary,
the keystone identity-assertion property, backend-hop TLS expectations, the
-`HeaderPreAuth` disposition, and the reverse-proxy responsibility split — are
-now *(maintainer)*. Still *(inferred)* and awaiting confirmation: Q7, Q9–Q13,
-Q17, Q21–Q22, Q28, Q29 (remaining environment/host-side-effect inventory,
-self-signed / `-persist-master` stances, secondary adversary capabilities,
-the known-non-findings suppression set, and cross-topology isolation).
+`HeaderPreAuth` disposition, the per-surface trust table and resource line, the
+bearer-token/backend-hop false friends, and the reverse-proxy responsibility
+split — are now *(maintainer)*. Still *(inferred)* and awaiting confirmation:
+Q7, Q8, Q9–Q13, Q17, Q21–Q22, Q28, Q29 (data-flow/reachability preconditions,
+remaining environment/host-side-effect inventory, self-signed /
+`-persist-master` stances, secondary adversary capabilities, the
+known-non-findings suppression set, and cross-topology isolation).
### What Knox is (one paragraph)
@@ -273,7 +275,8 @@ non-default-build`). All rulings below are proposed, pending §14.
Knox's inputs split cleanly into **untrusted network input** (the client) and
**trusted operator input** (the descriptors and secrets).
-Per-surface trust table *(inferred → Q19 unless noted)*:
+Per-surface trust table *(maintainer, 2026-07-09 — L. McCay confirmed Q19: the
+table stands, unless noted)*:
| Surface | Parameter | Attacker-controllable? | Operator/Knox must enforce |
| --- | --- | --- | --- |
@@ -295,7 +298,7 @@ earn.
Size/shape/rate: Knox streams request/response bodies and WebSocket frames; body
size, connection, and timeout limits are Jetty/topology configuration rather than
-a Knox-guaranteed bound *(inferred → Q20)*.
+a Knox-guaranteed bound *(maintainer, 2026-07-09 — L. McCay confirmed Q20)*.
---
@@ -419,13 +422,14 @@ process is a bug; merely consuming proportionate resources under load is not."*
operator has to explicitly accept the ungated posture (VALID-HARDENING).
- **KnoxSSO cookie / KnoxToken are bearer credentials, not proof of possession.**
Anyone who captures one can replay it until expiry; TLS + short TTL + (where
- available) revocation are load-bearing, not decorative *(inferred → Q18/Q25)*.
+ available) revocation are load-bearing, not decorative *(maintainer,
+ 2026-07-09 — L. McCay confirmed Q18/Q25)*.
- **"Topology concealment" is obscurity, not an access control.** Hiding backend
addresses reduces attack surface but is not itself an authentication/authz
boundary *(inferred)*.
- **TLS termination at Knox does not encrypt the backend hop.** Client→Knox TLS
says nothing about Knox→backend; that hop's encryption/verification is separate
- config *(inferred → Q16)*.
+ config *(maintainer, 2026-07-09 — L. McCay confirmed Q16)*.
**Well-known attack classes Knox as a reverse proxy is exposed to and the
operator must weigh** *(maintainer, 2026-07-09 — L. McCay answered Q27)*: HTTP
@@ -624,10 +628,11 @@ in. Grouped in waves. **Larry McCay (PMC chair) answered Wave 1–3 core + meta
if it breaks §8(1/2).
- **Q28 (§11a): ⬜ Open.** Confirm/extend the known-non-findings list so it can
seed a scanner suppression set.
-- **Q7 (§3), Q9–Q13, Q17, Q21–Q22 (§5/§7/§5a): ⬜ Open.** Confirm the remaining
- environment, host side-effect inventory (**including whether the webshell
- terminal spawns a process — Q12**), self-signed/`-persist-master` stances, and
- secondary adversary-capability details as stated inline.
+- **Q7 (§3), Q8 (§4), Q9–Q13, Q17, Q21–Q22 (§5/§7/§5a): ⬜ Open.** Confirm the
+ remaining data-flow/reachability preconditions, environment, host side-effect
+ inventory (**including whether the webshell terminal spawns a process — Q12**),
+ self-signed/`-persist-master` stances, and secondary adversary-capability
+ details as stated inline.
**Wave 4 — meta / ownership — ANSWERED 2026-07-09:**