import python3-3.6.8-38.el8
This commit is contained in:
CentOS Sources
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From 5b1e50256b6532667b6d31debc350f6c7d3f30aa Mon Sep 17 00:00:00 2001
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From: "Miss Islington (bot)"
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<31488909+miss-islington@users.noreply.github.com>
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Date: Mon, 29 Mar 2021 08:40:53 -0700
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Subject: [PATCH] bpo-42988: Remove the pydoc getfile feature (GH-25015)
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(GH-25067)
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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CVE-2021-3426: Remove the "getfile" feature of the pydoc module which
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could be abused to read arbitrary files on the disk (directory
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traversal vulnerability). Moreover, even source code of Python
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modules can contain sensitive data like passwords. Vulnerability
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reported by David Schwörer.
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(cherry picked from commit 9b999479c0022edfc9835a8a1f06e046f3881048)
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Co-authored-by: Victor Stinner <vstinner@python.org>
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---
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Lib/pydoc.py | 18 ------------------
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Lib/test/test_pydoc.py | 6 ------
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.../2021-03-24-14-16-56.bpo-42988.P2aNco.rst | 4 ++++
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3 files changed, 4 insertions(+), 24 deletions(-)
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create mode 100644 Misc/NEWS.d/next/Security/2021-03-24-14-16-56.bpo-42988.P2aNco.rst
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diff --git a/Lib/pydoc.py b/Lib/pydoc.py
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index b521a5504728c4..5247ef9ea27aa1 100644
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--- a/Lib/pydoc.py
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+++ b/Lib/pydoc.py
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@@ -2312,9 +2312,6 @@ def page(self, title, contents):
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%s</head><body bgcolor="#f0f0f8">%s<div style="clear:both;padding-top:.5em;">%s</div>
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</body></html>''' % (title, css_link, html_navbar(), contents)
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- def filelink(self, url, path):
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- return '<a href="getfile?key=%s">%s</a>' % (url, path)
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-
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html = _HTMLDoc()
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@@ -2400,19 +2397,6 @@ def bltinlink(name):
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'key = %s' % key, '#ffffff', '#ee77aa', '<br>'.join(results))
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return 'Search Results', contents
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- def html_getfile(path):
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- """Get and display a source file listing safely."""
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- path = urllib.parse.unquote(path)
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- with tokenize.open(path) as fp:
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- lines = html.escape(fp.read())
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- body = '<pre>%s</pre>' % lines
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- heading = html.heading(
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- '<big><big><strong>File Listing</strong></big></big>',
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- '#ffffff', '#7799ee')
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- contents = heading + html.bigsection(
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- 'File: %s' % path, '#ffffff', '#ee77aa', body)
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- return 'getfile %s' % path, contents
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-
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def html_topics():
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"""Index of topic texts available."""
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@@ -2504,8 +2488,6 @@ def get_html_page(url):
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op, _, url = url.partition('=')
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if op == "search?key":
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title, content = html_search(url)
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- elif op == "getfile?key":
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- title, content = html_getfile(url)
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elif op == "topic?key":
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# try topics first, then objects.
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try:
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diff --git a/Lib/test/test_pydoc.py b/Lib/test/test_pydoc.py
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index 00803d3305cb53..49bc3eb164b19c 100644
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--- a/Lib/test/test_pydoc.py
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+++ b/Lib/test/test_pydoc.py
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@@ -1052,18 +1052,12 @@ def test_url_requests(self):
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("topic?key=def", "Pydoc: KEYWORD def"),
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("topic?key=STRINGS", "Pydoc: TOPIC STRINGS"),
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("foobar", "Pydoc: Error - foobar"),
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- ("getfile?key=foobar", "Pydoc: Error - getfile?key=foobar"),
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]
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with self.restrict_walk_packages():
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for url, title in requests:
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self.call_url_handler(url, title)
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- path = string.__file__
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- title = "Pydoc: getfile " + path
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- url = "getfile?key=" + path
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- self.call_url_handler(url, title)
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-
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class TestHelper(unittest.TestCase):
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def test_keywords(self):
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diff --git a/Misc/NEWS.d/next/Security/2021-03-24-14-16-56.bpo-42988.P2aNco.rst b/Misc/NEWS.d/next/Security/2021-03-24-14-16-56.bpo-42988.P2aNco.rst
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new file mode 100644
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index 00000000000000..4b42dd05305a83
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--- /dev/null
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+++ b/Misc/NEWS.d/next/Security/2021-03-24-14-16-56.bpo-42988.P2aNco.rst
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@@ -0,0 +1,4 @@
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+CVE-2021-3426: Remove the ``getfile`` feature of the :mod:`pydoc` module which
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+could be abused to read arbitrary files on the disk (directory traversal
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+vulnerability). Moreover, even source code of Python modules can contain
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+sensitive data like passwords. Vulnerability reported by David Schwörer.
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@ -14,7 +14,7 @@ URL: https://www.python.org/
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# WARNING When rebasing to a new Python version,
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# remember to update the python3-docs package as well
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Version: %{pybasever}.8
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Release: 37%{?dist}
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Release: 38%{?dist}
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License: Python
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@ -591,6 +591,12 @@ Patch357: 00357-CVE-2021-3177.patch
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# Main BZ: https://bugzilla.redhat.com/show_bug.cgi?id=1928904
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Patch359: 00359-CVE-2021-23336.patch
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# 00360 #
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# CVE-2021-3426: information disclosure via pydoc
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# Upstream: https://bugs.python.org/issue42988
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# Main BZ: https://bugzilla.redhat.com/show_bug.cgi?id=1935913
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Patch360: 00360-CVE-2021-3426.patch
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# (New patches go here ^^^)
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#
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# When adding new patches to "python" and "python3" in Fedora, EL, etc.,
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@ -918,6 +924,7 @@ git apply %{PATCH351}
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%patch356 -p1
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%patch357 -p1
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%patch359 -p1
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%patch360 -p1
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# Remove files that should be generated by the build
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# (This is after patching, so that we can use patches directly from upstream)
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@ -1843,6 +1850,10 @@ fi
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# ======================================================
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%changelog
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* Fri Apr 30 2021 Charalampos Stratakis <cstratak@redhat.com> - 3.6.8-38
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- Security fix for CVE-2021-3426: information disclosure via pydoc
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Resolves: rhbz#1935913
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* Thu Mar 04 2021 Petr Viktorin <pviktori@redhat.com> - 3.6.8-37
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- Fix for CVE-2021-23336
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Resolves: rhbz#1928904
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