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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)" |
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source "$SCRIPT_DIR/../config.sh" |
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OUT_FILE="$OUT/11_timing_oracle.txt" |
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LOCAL_MODE="${LOCAL_MODE:-0}" |
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if [ "$LOCAL_MODE" = "1" ]; then |
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TIMING_FLOOR=3 |
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echo "Mode: LOCAL โ timing floor 3ms (tight, for same-datacenter runs)" | tee -a "$OUT_FILE" |
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else |
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TIMING_FLOOR=15 |
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echo "Mode: REMOTE โ timing floor 15ms (guards against internet jitter)" | tee -a "$OUT_FILE" |
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fi |
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echo "=== 11. Timing Oracle Tests ===" | tee "$OUT_FILE" |
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echo "Methodology: 50 samples per group, mean ยฑ stddev, signal threshold = 3ฯ" | tee -a "$OUT_FILE" |
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echo "" | tee -a "$OUT_FILE" |
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|
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sample_times() { |
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local n="$1"; shift |
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local times="" |
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for i in $(seq 1 "$n"); do |
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T=$(python3 -c "import time; print(int(time.time()*1000))") |
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curl -sk -o /dev/null --max-time 15 "$@" 2>/dev/null |
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E=$(python3 -c "import time; print(int(time.time()*1000))") |
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times="$times $((E - T))" |
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done |
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echo "$times" |
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} |
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|
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stats() { |
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python3 -c " |
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import sys, math, statistics |
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vals = [int(x) for x in sys.stdin.read().split() if x] |
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if not vals: print('N=0 mean=0 stddev=0'); sys.exit() |
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m = statistics.mean(vals) |
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s = statistics.pstdev(vals) if len(vals) > 1 else 0 |
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print(f'N={len(vals)} mean={m:.1f}ms stddev={s:.1f}ms min={min(vals)}ms max={max(vals)}ms') |
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" |
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} |
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|
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compare_groups() { |
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local la="$1" ta="$2" lb="$3" tb="$4" |
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python3 -c " |
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import sys, math, statistics |
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la,ta,lb,tb = sys.argv[1], sys.argv[2], sys.argv[3], sys.argv[4] |
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a = [int(x) for x in ta.split() if x] |
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b = [int(x) for x in tb.split() if x] |
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if not a or not b: print(' [SKIP] insufficient data'); sys.exit() |
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ma, mb = statistics.mean(a), statistics.mean(b) |
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sa = statistics.pstdev(a) if len(a)>1 else 1 |
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sb = statistics.pstdev(b) if len(b)>1 else 1 |
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diff = abs(ma - mb) |
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import os |
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floor = int(os.environ.get("TIMING_FLOOR", "15")) |
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threshold = 3 * max(sa, sb, floor) |
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verdict = 'TIMING-LEAK' if diff > threshold else 'OK' |
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print(f' [{verdict}] {la}: {ma:.1f}msยฑ{sa:.1f} vs {lb}: {mb:.1f}msยฑ{sb:.1f} diff={diff:.1f}ms threshold={threshold:.1f}ms') |
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" "$la" "$ta" "$lb" "$tb" |
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} |
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|
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SAMPLES=50 |
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|
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echo "--- API Key Timing Oracle (HTTP/2, $SAMPLES samples each) ---" | tee -a "$OUT_FILE" |
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echo " Sampling invalid key..." | tee -a "$OUT_FILE" |
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T_INVALID=$(sample_times $SAMPLES \ |
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-X POST --http2 \ |
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-H 'Authorization: Bearer INVALID_KEY_XXXXXXXXXXX' \ |
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-H 'Content-Type: application/json' \ |
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-d '{"data":"test","algorithm":"classical"}' \ |
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"$API_TARGET/encrypt") |
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echo " Invalid key: $(echo "$T_INVALID" | stats)" | tee -a "$OUT_FILE" |
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|
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echo " Sampling no-key (missing header)..." | tee -a "$OUT_FILE" |
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T_NOKEY=$(sample_times $SAMPLES \ |
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-X POST --http2 \ |
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-H 'Content-Type: application/json' \ |
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-d '{"data":"test","algorithm":"classical"}' \ |
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"$API_TARGET/encrypt") |
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echo " No key: $(echo "$T_NOKEY" | stats)" | tee -a "$OUT_FILE" |
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|
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echo " Sampling malformed key (wrong prefix)..." | tee -a "$OUT_FILE" |
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T_MALFORMED=$(sample_times $SAMPLES \ |
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-X POST --http2 \ |
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-H 'Authorization: Basic INVALID_BASE64==' \ |
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-H 'Content-Type: application/json' \ |
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-d '{"data":"test","algorithm":"classical"}' \ |
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"$API_TARGET/encrypt") |
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echo " Malformed: $(echo "$T_MALFORMED" | stats)" | tee -a "$OUT_FILE" |
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|
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compare_groups "invalid-key" "$T_INVALID" "no-key" "$T_NOKEY" | tee -a "$OUT_FILE" |
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compare_groups "invalid-key" "$T_INVALID" "malformed-key" "$T_MALFORMED" | tee -a "$OUT_FILE" |
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echo "" | tee -a "$OUT_FILE" |
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|
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echo "--- Admin Login Timing Oracle ($SAMPLES samples each) ---" | tee -a "$OUT_FILE" |
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echo " Sampling likely-valid username 'admin'..." | tee -a "$OUT_FILE" |
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T_ADMIN=$(sample_times $SAMPLES \ |
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-X POST --http2 \ |
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-H 'Content-Type: application/x-www-form-urlencoded' \ |
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-d 'username=admin&password=wrongpassword_xyz_pentest' \ |
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"$TARGET/admin/") |
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echo " 'admin': $(echo "$T_ADMIN" | stats)" | tee -a "$OUT_FILE" |
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|
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echo " Sampling nonexistent username..." | tee -a "$OUT_FILE" |
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T_NOUSER=$(sample_times $SAMPLES \ |
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-X POST --http2 \ |
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-H 'Content-Type: application/x-www-form-urlencoded' \ |
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-d 'username=nonexistent_user_xyz_1234&password=wrongpassword_xyz_pentest' \ |
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"$TARGET/admin/") |
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echo " nonexistent: $(echo "$T_NOUSER" | stats)" | tee -a "$OUT_FILE" |
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|
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compare_groups "admin" "$T_ADMIN" "nonexistent" "$T_NOUSER" | tee -a "$OUT_FILE" |
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echo "" | tee -a "$OUT_FILE" |
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echo "--- Decrypt Padding Oracle ($SAMPLES samples each) ---" | tee -a "$OUT_FILE" |
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SHORT_B64="aGVsbG8=" # "hello" โ too short, invalid ciphertext |
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LONG_B64=$(python3 -c "import base64; print(base64.b64encode(b'X'*512).decode())") |
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echo " Sampling short invalid ciphertext..." | tee -a "$OUT_FILE" |
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T_SHORT=$(sample_times $SAMPLES \ |
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-X POST --http2 \ |
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-H 'Content-Type: application/json' \ |
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-d "{\"data\":\"$SHORT_B64\",\"algorithm\":\"classical\"}" \ |
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"$API_TARGET/decrypt") |
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echo " Short (8b): $(echo "$T_SHORT" | stats)" | tee -a "$OUT_FILE" |
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echo " Sampling long invalid ciphertext..." | tee -a "$OUT_FILE" |
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T_LONG=$(sample_times $SAMPLES \ |
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-X POST --http2 \ |
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-H 'Content-Type: application/json' \ |
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-d "{\"data\":\"$LONG_B64\",\"algorithm\":\"classical\"}" \ |
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"$API_TARGET/decrypt") |
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echo " Long (512b): $(echo "$T_LONG" | stats)" | tee -a "$OUT_FILE" |
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compare_groups "short-ciphertext" "$T_SHORT" "long-ciphertext" "$T_LONG" | tee -a "$OUT_FILE" |
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echo "" | tee -a "$OUT_FILE" |
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|
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echo "--- Protocol Timing Baseline (HTTP/1.1 vs HTTP/2, $SAMPLES samples) ---" | tee -a "$OUT_FILE" |
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echo " HTTP/1.1..." | tee -a "$OUT_FILE" |
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T_H1=$(sample_times $SAMPLES --http1.1 "$TARGET/") |
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echo " HTTP/1.1: $(echo "$T_H1" | stats)" | tee -a "$OUT_FILE" |
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echo " HTTP/2..." | tee -a "$OUT_FILE" |
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T_H2=$(sample_times $SAMPLES --http2 "$TARGET/") |
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echo " HTTP/2: $(echo "$T_H2" | stats)" | tee -a "$OUT_FILE" |
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compare_groups "HTTP/1.1" "$T_H1" "HTTP/2" "$T_H2" | tee -a "$OUT_FILE" |
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echo "" | tee -a "$OUT_FILE" |
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|
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echo "--- WAF Timing Oracle (blocked vs clean, $SAMPLES samples) ---" | tee -a "$OUT_FILE" |
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echo " Clean request..." | tee -a "$OUT_FILE" |
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T_CLEAN=$(sample_times $SAMPLES --http2 -A "$BROWSER_UA" "$TARGET/") |
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echo " Clean: $(echo "$T_CLEAN" | stats)" | tee -a "$OUT_FILE" |
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echo " Blocked (SQLi) request..." | tee -a "$OUT_FILE" |
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T_BLOCKED=$(sample_times $SAMPLES --http2 -A "$BROWSER_UA" \ |
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"$TARGET/?q=$(python3 -c "import urllib.parse; print(urllib.parse.quote(\"' OR 1=1--\"))")") |
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echo " Blocked: $(echo "$T_BLOCKED" | stats)" | tee -a "$OUT_FILE" |
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compare_groups "clean" "$T_CLEAN" "waf-blocked" "$T_BLOCKED" | tee -a "$OUT_FILE" |
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echo " (significant diff = WAF adds measurable latency โ timing side-channel)" | tee -a "$OUT_FILE" |
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echo "" | tee -a "$OUT_FILE" |
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echo "=== 11. Timing Oracle COMPLETE ===" | tee -a "$OUT_FILE" |
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|