test: add 15 Objective-C security scanner fixtures

docs/VULNERABILITY_CATALOG.md

@@ -7,12 +7,12 @@ from each file's header comment, so this page cannot drift from the source.
 
 ## Totals
 
-- **Test cases:** 127
-- **Expected detections:** 127
-- **`VULNERABLE:` markers:** 236 (individual lines a scanner should flag)
-- **`SAFE:` markers:** 144 (lines a scanner must not flag — the false-positive control group)
-- **Languages:** 8 — dotenv, go, java, javascript, json, python, ruby, text
-- **CWE categories:** 89 — CWE-20, CWE-22, CWE-78, CWE-79, CWE-89, CWE-90, CWE-94, CWE-95, CWE-113, CWE-117, CWE-129, CWE-190, CWE-201, CWE-203, CWE-208, CWE-209, CWE-256, CWE-285, CWE-287, CWE-288, CWE-291, CWE-295, CWE-306, CWE-307, CWE-311, CWE-312, CWE-319, CWE-321, CWE-326, CWE-327, CWE-329, CWE-330, CWE-338, CWE-345, CWE-346, CWE-347, CWE-352, CWE-362, CWE-377, CWE-384, CWE-400, CWE-409, CWE-434, CWE-441, CWE-460, CWE-472, CWE-475, CWE-480, CWE-488, CWE-489, CWE-502, CWE-506, CWE-509, CWE-512, CWE-521, CWE-522, CWE-525, CWE-532, CWE-598, CWE-601, CWE-602, CWE-611, CWE-613, CWE-614, CWE-620, CWE-639, CWE-640, CWE-643, CWE-681, CWE-693, CWE-732, CWE-759, CWE-776, CWE-798, CWE-835, CWE-862, CWE-863, CWE-915, CWE-916, CWE-918, CWE-922, CWE-942, CWE-943, CWE-1021, CWE-1236, CWE-1321, CWE-1333, CWE-1336, CWE-1357
+- **Test cases:** 142
+- **Expected detections:** 142
+- **`VULNERABLE:` markers:** 251 (individual lines a scanner should flag)
+- **`SAFE:` markers:** 159 (lines a scanner must not flag — the false-positive control group)
+- **Languages:** 9 — dotenv, go, java, javascript, json, objective-c, python, ruby, text
+- **CWE categories:** 93 — CWE-20, CWE-22, CWE-78, CWE-79, CWE-89, CWE-90, CWE-94, CWE-95, CWE-113, CWE-117, CWE-121, CWE-129, CWE-134, CWE-187, CWE-190, CWE-201, CWE-203, CWE-208, CWE-209, CWE-256, CWE-285, CWE-287, CWE-288, CWE-291, CWE-295, CWE-306, CWE-307, CWE-311, CWE-312, CWE-319, CWE-321, CWE-326, CWE-327, CWE-329, CWE-330, CWE-338, CWE-345, CWE-346, CWE-347, CWE-352, CWE-362, CWE-377, CWE-384, CWE-400, CWE-409, CWE-416, CWE-434, CWE-441, CWE-460, CWE-472, CWE-475, CWE-480, CWE-488, CWE-489, CWE-502, CWE-506, CWE-509, CWE-512, CWE-521, CWE-522, CWE-525, CWE-532, CWE-598, CWE-601, CWE-602, CWE-611, CWE-613, CWE-614, CWE-620, CWE-639, CWE-640, CWE-643, CWE-681, CWE-693, CWE-732, CWE-759, CWE-776, CWE-798, CWE-835, CWE-862, CWE-863, CWE-915, CWE-916, CWE-918, CWE-922, CWE-942, CWE-943, CWE-1021, CWE-1236, CWE-1321, CWE-1333, CWE-1336, CWE-1357
 
 ## How coverage is scored
 
@@ -100,6 +100,26 @@ counts as a detection. See `docs/SCANNER_INTEGRATION.md`.
 | Code injection via eval() of user input | [`xss-eval-user-input.js`](../vulns/javascript/xss-eval-user-input.js) | CWE-95 | critical | yes | 3 vuln / 1 safe |
 | XML parser with external entity resolution enabled | [`xxe-parser-config.js`](../vulns/javascript/xxe-parser-config.js) | CWE-611 | high | yes | 1 vuln / 1 safe |
 
+## Objective C
+
+| Test case | File | CWE | Severity | Expected | Markers |
+|---|---|---|---|---|---|
+| Hard-coded administrative password | [`hardcoded-password.m`](../vulns/objective-c/hardcoded-password.m) | CWE-798 | high | yes | 1 vuln / 1 safe |
+| Integer overflow in allocation size calculation | [`integer-overflow-allocation.m`](../vulns/objective-c/integer-overflow-allocation.m) | CWE-190 | high | yes | 1 vuln / 1 safe |
+| Externally controlled logging format string | [`log-format-injection.m`](../vulns/objective-c/log-format-injection.m) | CWE-134 | high | yes | 1 vuln / 1 safe |
+| Open redirect through untrusted destination | [`open-redirect.m`](../vulns/objective-c/open-redirect.m) | CWE-601 | medium | yes | 1 vuln / 1 safe |
+| Authentication using a truncated token comparison | [`partial-token-comparison.m`](../vulns/objective-c/partial-token-comparison.m) | CWE-187 | high | yes | 1 vuln / 1 safe |
+| Path traversal in file download | [`path-traversal.m`](../vulns/objective-c/path-traversal.m) | CWE-22 | high | yes | 1 vuln / 1 safe |
+| Predictable shared temporary file | [`predictable-temp-file.m`](../vulns/objective-c/predictable-temp-file.m) | CWE-377 | medium | yes | 1 vuln / 1 safe |
+| SQL injection through formatted query text | [`sql-injection.m`](../vulns/objective-c/sql-injection.m) | CWE-89 | critical | yes | 1 vuln / 1 safe |
+| Server-side request forgery through user URL | [`ssrf-user-url.m`](../vulns/objective-c/ssrf-user-url.m) | CWE-918 | high | yes | 1 vuln / 1 safe |
+| Stack buffer overflow through strcpy | [`stack-buffer-overflow.m`](../vulns/objective-c/stack-buffer-overflow.m) | CWE-121 | critical | yes | 1 vuln / 1 safe |
+| Internal diagnostic trace returned to a client | [`stack-trace-exposure.m`](../vulns/objective-c/stack-trace-exposure.m) | CWE-209 | medium | yes | 1 vuln / 1 safe |
+| Shell command injection through system | [`system-command-injection.m`](../vulns/objective-c/system-command-injection.m) | CWE-78 | critical | yes | 1 vuln / 1 safe |
+| TLS peer verification disabled | [`tls-verification-disabled.m`](../vulns/objective-c/tls-verification-disabled.m) | CWE-295 | high | yes | 1 vuln / 1 safe |
+| Heap value consumed after free | [`use-after-free.m`](../vulns/objective-c/use-after-free.m) | CWE-416 | critical | yes | 1 vuln / 1 safe |
+| Predictable session token from rand | [`weak-random-token.m`](../vulns/objective-c/weak-random-token.m) | CWE-338 | high | yes | 1 vuln / 1 safe |
+
 ## Python
 
 | Test case | File | CWE | Severity | Expected | Markers |