python2/CVE-2019-16935.patch
2019-12-25 18:38:04 +08:00

75 lines
3.1 KiB
Diff

diff -uNrp a/Lib/DocXMLRPCServer.py b/Lib/DocXMLRPCServer.py
--- a/Lib/DocXMLRPCServer.py 2019-12-21 16:13:25.240000000 +0800
+++ b/Lib/DocXMLRPCServer.py 2019-12-21 16:15:24.076000000 +0800
@@ -20,6 +20,15 @@ from SimpleXMLRPCServer import (SimpleXM
CGIXMLRPCRequestHandler,
resolve_dotted_attribute)
+def _html_escape_quote(s):
+ s = s.replace("&", "&") # Must be done first!
+ s = s.replace("<", "&lt;")
+ s = s.replace(">", "&gt;")
+ s = s.replace('"', "&quot;")
+ s = s.replace('\'', "&#x27;")
+ return s
+
+
class ServerHTMLDoc(pydoc.HTMLDoc):
"""Class used to generate pydoc HTML document for a server"""
@@ -210,7 +219,9 @@ class XMLRPCDocGenerator:
methods
)
- return documenter.page(self.server_title, documentation)
+ title = _html_escape_quote(self.server_title)
+ return documenter.page(title, documentation)
+
class DocXMLRPCRequestHandler(SimpleXMLRPCRequestHandler):
"""XML-RPC and documentation request handler class.
diff -uNrp a/Lib/test/test_docxmlrpc.py b/Lib/test/test_docxmlrpc.py
--- a/Lib/test/test_docxmlrpc.py 2019-12-21 16:13:25.340000000 +0800
+++ b/Lib/test/test_docxmlrpc.py 2019-12-21 16:16:49.828000000 +0800
@@ -1,5 +1,6 @@
from DocXMLRPCServer import DocXMLRPCServer
import httplib
+import re
import sys
from test import test_support
threading = test_support.import_module('threading')
@@ -176,6 +177,26 @@ class DocXMLRPCHTTPGETServer(unittest.Te
self.assertIn("""Try&nbsp;self.<strong>add</strong>,&nbsp;too.""",
response.read())
+ def test_server_title_escape(self):
+ """Test 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&lt;script&gt;</title>',
+ title)
+ self.assertEqual('<p><tt>test_documentation&lt;script&gt;</tt></p>',
+ documentation)
+
+
+
def test_main():
test_support.run_unittest(DocXMLRPCHTTPGETServer)
diff -uNrp 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
--- a/Misc/NEWS.d/next/Security/2019-09-25-13-21-09.bpo-38243.1pfz24.rst 1970-01-01 08:00:00.000000000 +0800
+++ b/Misc/NEWS.d/next/Security/2019-09-25-13-21-09.bpo-38243.1pfz24.rst 2019-12-21 16:17:13.368000000 +0800
@@ -0,0 +1,3 @@
+Escape the server title of :class:`DocXMLRPCServer.DocXMLRPCServer`
+when rendering the document page as HTML.
+(Contributed by Dong-hee Na in :issue:`38243`.)