feat(checker): add libtasn1 checker (#3000)

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

Author: ffontaine

cve_bin_tool/checkers/__init__.py

@@ -159,6 +159,7 @@
     "libsrtp",
     "libssh",
     "libssh2",
+    "libtasn1",
     "libtiff",
     "libtomcrypt",
     "libupnp",

cve_bin_tool/checkers/libtasn1.py

@@ -0,0 +1,24 @@
+# Copyright (C) 2023 Orange
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+
+"""
+CVE checker for libtasn1
+
+https://www.cvedetails.com/product/3620/Free-Software-Foundation-Inc.-Libtasn1.html?vendor_id=2125
+https://www.cvedetails.com/product/22173/GNU-Libtasn1.html?vendor_id=72
+
+"""
+from __future__ import annotations
+
+from cve_bin_tool.checkers import Checker
+
+
+class Libtasn1Checker(Checker):
+    CONTAINS_PATTERNS: list[str] = []
+    FILENAME_PATTERNS: list[str] = []
+    VERSION_PATTERNS = [r"ASSIGNMENT,[a-zA-Z:\r\n]*\r?\n([0-9]+\.[0-9]+(\.[0-9]+)?)"]
+    VENDOR_PRODUCT = [
+        ("free_software_foundation_inc.", "libtasn1"),
+        ("gnu", "libtasn1"),
+    ]

test/condensed-downloads/libtasn1-4.19.0-2.fc38.aarch64.rpm.tar.gz

@@ -0,0 +1,30 @@
+# Copyright (C) 2023 Orange
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+mapping_test_data = [
+    {
+        "product": "libtasn1",
+        "version": "4.15.0",
+        "version_strings": ["ASSIGNMENT,\n4.15.0"],
+    }
+]
+package_test_data = [
+    {
+        "url": "http://rpmfind.net/linux/fedora/linux/development/rawhide/Everything/aarch64/os/Packages/l/",
+        "package_name": "libtasn1-4.19.0-2.fc38.aarch64.rpm",
+        "product": "libtasn1",
+        "version": "4.19.0",
+    },
+    {
+        "url": "http://ftp.fr.debian.org/debian/pool/main/libt/libtasn1-6/",
+        "package_name": "libtasn1-6_4.13-3_arm64.deb",
+        "product": "libtasn1",
+        "version": "4.13",
+    },
+    {
+        "url": "https://downloads.openwrt.org/releases/packages-19.07/x86_64/packages/",
+        "package_name": "libtasn1_4.15.0-1_x86_64.ipk",
+        "product": "libtasn1",
+        "version": "4.15.0",
+    },
+]