Add a checker for signature boundary in verifier (0a34b17c) · Commits · e / tools / etwrp

verifier.cpp

+6 −0

Original line number	Diff line number	Diff line
		@@ -143,6 +143,12 @@ int verify_file(unsigned char* addr, size_t length,
		LOGI("comment is %zu bytes; signature %zu bytes from end\n",
		comment_size, signature_start);

		if (signature_start > comment_size) {
		LOGE("signature start: %zu is larger than comment size: %zu\n", signature_start,
		comment_size);
		return VERIFY_FAILURE;
		}

		if (signature_start <= FOOTER_SIZE) {
		LOGE("Signature start is in the footer");
		return VERIFY_FAILURE;