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restore Tess markdown formatting gate (v2, non-author) (#714)
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This commit was merged in pull request #714.
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jason.woltje
2026-07-12 21:32:16 +00:00
parent b580d37d51
commit ca9c2b5c23
9 changed files with 75 additions and 73 deletions
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docs/tess/THREAT-MODEL.md
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@@ -8,20 +8,20 @@ Trust boundaries: Discord→plugin, CLI→gateway, plugin→gateway service iden
## Threat Matrix
| ID | Severity | Threat | Required control | Required verification |
| --- | --- | --- | --- | --- |
| TM-01 | critical | Client invokes admin/system command without role | Server-side scope/role enforcement in executor; durable approval for privileged/destructive commands | Authenticated non-admin and forged-scope tests deny and audit |
| TM-02 | critical | Cross-user/tenant list, attach, send, or terminate by guessed session ID | Owner/tenant binding on every session operation; admin override is explicit and audited | Cross-tenant matrix for REST, WS, CLI, Discord and provider methods |
| TM-03 | high | MCP caller supplies another `userId` | Remove actor IDs from schemas; derive actor/tenant from authenticated context; per-tool scopes | Forged actor/tool calls deny; no victim data returned |
| TM-04 | high | Discord ingress impersonates user/channel or bypasses gateway auth | Service-to-service identity, guild/channel/user allowlists, signed/correlated envelope, replay protection | Invalid service identity, unlisted IDs, replayed message IDs all deny |
| TM-05 | high | Secrets/PII leak in chat, auth links, tool args, logs, memory, or DB | Redact before persistence/egress; DM/out-of-band auth flow; short-lived hashed token state; output classification | Seeded secret/PII canary absent from durable stores/logs/public channel |
| TM-06 | high | Prompt/tool injection escalates from content to privileged action | Treat messages/files/tool output as untrusted data; structured proposals only; allowlisted tools; approval binds exact action digest | Injection corpus cannot invoke unapproved tools or alter authority |
| TM-07 | high | Approval forged, replayed, or applied to modified action | One-time approval with actor, tenant, action digest, expiry, correlation and consumption record | Forged/replayed/expired/mutated approvals deny and audit |
| TM-08 | medium | Restart causes message loss or duplicate side effects | Durable inbox/outbox/checkpoint; idempotency keys; transactional state transitions; bounded replay | Kill/restart at each state transition; exactly-once effect or safe dedupe |
| TM-09 | medium | Session GC/retention crosses tenant/session scope | Session/user-scoped GC or separately authorized global retention job | GC one session; unrelated logs/memory remain unchanged |
| TM-10 | high | tmux/Matrix transport target or identity spoofing | Exact target/socket binding, peer identity verification, Matrix whoami, authenticated transport metadata | Wrong socket/peer/room/identity refuses delivery/attach |
| TM-11 | medium | Hermes adapter exposes unsupported or broader legacy powers | Capability negotiation, default deny, normalized scopes, adapter sandbox/timeouts | Unsupported and over-scoped operations fail closed |
| TM-12 | medium | Tess competes with Mos or bypasses orchestration gates | Authority policy and correlated Mos handoff; no Tess worker-claim capability by default | Coding/decomposition intent produces handoff, not direct claim |
| ID | Severity | Threat | Required control | Required verification |
| ----- | -------- | ------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------- |
| TM-01 | critical | Client invokes admin/system command without role | Server-side scope/role enforcement in executor; durable approval for privileged/destructive commands | Authenticated non-admin and forged-scope tests deny and audit |
| TM-02 | critical | Cross-user/tenant list, attach, send, or terminate by guessed session ID | Owner/tenant binding on every session operation; admin override is explicit and audited | Cross-tenant matrix for REST, WS, CLI, Discord and provider methods |
| TM-03 | high | MCP caller supplies another `userId` | Remove actor IDs from schemas; derive actor/tenant from authenticated context; per-tool scopes | Forged actor/tool calls deny; no victim data returned |
| TM-04 | high | Discord ingress impersonates user/channel or bypasses gateway auth | Service-to-service identity, guild/channel/user allowlists, signed/correlated envelope, replay protection | Invalid service identity, unlisted IDs, replayed message IDs all deny |
| TM-05 | high | Secrets/PII leak in chat, auth links, tool args, logs, memory, or DB | Redact before persistence/egress; DM/out-of-band auth flow; short-lived hashed token state; output classification | Seeded secret/PII canary absent from durable stores/logs/public channel |
| TM-06 | high | Prompt/tool injection escalates from content to privileged action | Treat messages/files/tool output as untrusted data; structured proposals only; allowlisted tools; approval binds exact action digest | Injection corpus cannot invoke unapproved tools or alter authority |
| TM-07 | high | Approval forged, replayed, or applied to modified action | One-time approval with actor, tenant, action digest, expiry, correlation and consumption record | Forged/replayed/expired/mutated approvals deny and audit |
| TM-08 | medium | Restart causes message loss or duplicate side effects | Durable inbox/outbox/checkpoint; idempotency keys; transactional state transitions; bounded replay | Kill/restart at each state transition; exactly-once effect or safe dedupe |
| TM-09 | medium | Session GC/retention crosses tenant/session scope | Session/user-scoped GC or separately authorized global retention job | GC one session; unrelated logs/memory remain unchanged |
| TM-10 | high | tmux/Matrix transport target or identity spoofing | Exact target/socket binding, peer identity verification, Matrix whoami, authenticated transport metadata | Wrong socket/peer/room/identity refuses delivery/attach |
| TM-11 | medium | Hermes adapter exposes unsupported or broader legacy powers | Capability negotiation, default deny, normalized scopes, adapter sandbox/timeouts | Unsupported and over-scoped operations fail closed |
| TM-12 | medium | Tess competes with Mos or bypasses orchestration gates | Authority policy and correlated Mos handoff; no Tess worker-claim capability by default | Coding/decomposition intent produces handoff, not direct claim |
## Security Invariants