From 1698cacfb924d1df452e78d11a4bf81ae7777389 Mon Sep 17 00:00:00 2001 From: Victor Stinner <vstinner@redhat.com> Date: Sat, 28 Sep 2019 09:33:00 +0200 Subject: [PATCH] bpo-38243, xmlrpc.server: Escape the server_title (GH-16373) (GH-16441) Escape the server title of xmlrpc.server.DocXMLRPCServer when rendering the document page as HTML. (cherry picked from commit e8650a4f8c7fb76f570d4ca9c1fbe44e91c8dfaa) --- Lib/test/test_docxmlrpc.py | 16 ++++++++++++++++ Lib/xmlrpc/server.py | 3 ++- .../2019-09-25-13-21-09.bpo-38243.1pfz24.rst | 3 +++ 3 files changed, 21 insertions(+), 1 deletion(-) create mode 100644 Misc/NEWS.d/next/Security/2019-09-25-13-21-09.bpo-38243.1pfz24.rst diff --git a/Lib/test/test_docxmlrpc.py b/Lib/test/test_docxmlrpc.py index 00903337c07c2..d2adb21af0fb3 100644 --- a/Lib/test/test_docxmlrpc.py +++ b/Lib/test/test_docxmlrpc.py @@ -1,5 +1,6 @@ from xmlrpc.server import DocXMLRPCServer import http.client +import re import sys from test import support threading = support.import_module('threading') @@ -193,6 +194,21 @@ def test_annotations(self): b'method_annotation</strong></a>(x: bytes)</dt></dl>'), response.read()) + def test_server_title_escape(self): + # bpo-38243: Ensure that the server title and documentation + # are escaped for HTML. + self.serv.set_server_title('test_title<script>') + self.serv.set_server_documentation('test_documentation<script>') + self.assertEqual('test_title<script>', self.serv.server_title) + self.assertEqual('test_documentation<script>', + self.serv.server_documentation) + + generated = self.serv.generate_html_documentation() + title = re.search(r'<title>(.+?)</title>', generated).group() + documentation = re.search(r'<p><tt>(.+?)</tt></p>', generated).group() + self.assertEqual('<title>Python: test_title<script></title>', title) + self.assertEqual('<p><tt>test_documentation<script></tt></p>', documentation) + if __name__ == '__main__': unittest.main() diff --git a/Lib/xmlrpc/server.py b/Lib/xmlrpc/server.py index 3e0dca027f068..efe593748968c 100644 --- a/Lib/xmlrpc/server.py +++ b/Lib/xmlrpc/server.py @@ -106,6 +106,7 @@ def export_add(self, x, y): from xmlrpc.client import Fault, dumps, loads, gzip_encode, gzip_decode from http.server import BaseHTTPRequestHandler +import html import http.server import socketserver import sys @@ -904,7 +905,7 @@ def generate_html_documentation(self): methods ) - return documenter.page(self.server_title, documentation) + return documenter.page(html.escape(self.server_title), documentation) class DocXMLRPCRequestHandler(SimpleXMLRPCRequestHandler): """XML-RPC and documentation request handler class. diff --git a/Misc/NEWS.d/next/Security/2019-09-25-13-21-09.bpo-38243.1pfz24.rst b/Misc/NEWS.d/next/Security/2019-09-25-13-21-09.bpo-38243.1pfz24.rst new file mode 100644 index 0000000000000..98d7be129573a --- /dev/null +++ b/Misc/NEWS.d/next/Security/2019-09-25-13-21-09.bpo-38243.1pfz24.rst @@ -0,0 +1,3 @@ +Escape the server title of :class:`xmlrpc.server.DocXMLRPCServer` +when rendering the document page as HTML. +(Contributed by Dong-hee Na in :issue:`38243`.)