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test(bench): add route-forwarded-backend fixture to cut-choice bench (ADR-0034) #314

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Merged
thejefflarson merged 1 commit into from
Aug 1, 2026
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test(bench): add route-forwarded-backend fixture to cut-choice bench (ADR-0034) #314

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13 changes: 13 additions & 0 deletions scripts/judge_bakeoff_cutchoice.py
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Original file line number Diff line number Diff line change
Expand Up @@ -91,12 +91,25 @@ def menu(*lines):
OBJS = (f" - secret/public/web-session.key [MOUNTED] ({CRED})\n"
f" - {CACHE} [NETWORK] [same-ns] (Collection: Data from Information Repositories)")

# A distinct node identity for the route-forwarded-backend fixture below (never has its own
# entry status confused with the direct-exposure ENTRY/CACHE pair above).
ROUTE_ENTRY = "workload/public/Pod/checkout-api-7f9d4c8b6d-x2p9k"
ROUTE_ENTRY_LINE = f" - <<<{ROUTE_ENTRY}>>>: isolate the internet-facing entry — deny all ingress + egress except proven-benign peers (reversible NetworkPolicy) [blast radius: drops the route-forwarded backend; 1 alive peer isolated]"

CASES = [
# entry-only breach: log4j loaded on the ENTRY -> attack, contain ONLY the entry.
("entry_only_log4j", "attack", {ENTRY},
ENTRY, "<<<CVE-2021-44228 [reachability: loaded-at-runtime]>>>", "(none)",
"<<<loaded library log4j-core-2.14.jar>>> <<<connects to 203.0.113.9:443 (INTERNET egress)>>>",
OBJS, f" - <<<{CACHE}>>>: no evidence observed.", menu(ENTRY_LINE, CACHE_LINE)),
# route-forwarded backend (no Service directly exposed; reached only via an Ingress route)
# rendered in the ENTRY position with its own loaded-at-runtime CVE -> attack, contain ONLY
# that backend. Validates the Ingress observer's Exposure::Internet promotion feeds this
# prompt through the same edge-CVE lane as a directly-exposed entry (ADR-0033).
("route_forwarded_entry_cve", "attack", {ROUTE_ENTRY},
ROUTE_ENTRY, "<<<CVE-2024-45519 [reachability: loaded-at-runtime]>>>", "(none)",
"<<<loaded library apache-ofbiz-18.12.jar>>> <<<connects to 203.0.113.14:443 (INTERNET egress)>>>",
OBJS, f" - <<<{CACHE}>>>: no evidence observed.", menu(ROUTE_ENTRY_LINE, CACHE_LINE)),
# downstream behavioral compromise, CLEAN entry -> attack, contain ONLY the downstream (the
# minimality centerpiece: the entry must be LEFT running).
("downstream_behavioral", "attack", {CACHE},
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