fix: improve libtiff checker (#2985)

Improve libtiff checker to avoid a false positive with upcoming emacs
checker. While at it, add debian and OpenWRT test packages

Signed-off-by: Fabrice Fontaine <[email protected]>

Author: ffontaine

cve_bin_tool/checkers/libtiff.py

@@ -19,5 +19,5 @@ class LibtiffChecker(Checker):
         r'TIFF directory is missing required "StripByteCounts" field, calculating from imagelength',
     ]
     FILENAME_PATTERNS = [r"libtiff.so."]
-    VERSION_PATTERNS = [r"LIBTIFF, Version ([0-9]+\.[0-9]+\.[0-9]+)"]
+    VERSION_PATTERNS = [r"LIBTIFF, Version ([0-9]+\.[0-9]+\.[0-9]+)\r?\nCopyright"]
     VENDOR_PRODUCT = [("libtiff", "libtiff")]

test/condensed-downloads/libtiff5_4.2.0-1+deb11u4_amd64.deb.tar.gz

@@ -7,7 +7,7 @@
         "version": "4.0.2",
         "version_strings": [
             'TIFF directory is missing required \\"StripByteCounts\\" field, calculating from imagelength',
-            "LIBTIFF, Version 4.0.2",
+            "LIBTIFF, Version 4.0.2\nCopyright",
         ],
     }
 ]
@@ -24,4 +24,16 @@
         "product": "libtiff",
         "version": "4.0.3",
     },
+    {
+        "url": "http://ftp.fr.debian.org/debian/pool/main/t/tiff/",
+        "package_name": "libtiff5_4.2.0-1+deb11u4_amd64.deb",
+        "product": "libtiff",
+        "version": "4.2.0",
+    },
+    {
+        "url": "https://downloads.openwrt.org/releases/packages-19.07/x86_64/packages/",
+        "package_name": "libtiff_4.1.0-1_x86_64.ipk",
+        "product": "libtiff",
+        "version": "4.1.0",
+    },
 ]