bpo-41944: No longer call eval() on content received via HTTP in the CJK codec tests by serhiy-storchaka · Pull Request #22566 · python/cpython · GitHub

https://bugs.python.org/issue41944

…CJK codec tests

I suggest something like:

if not data[0].startswith('0x'):
    self.fail(f"Invalid line: {line!r}")

LGTM.

Tests still pass with this change:

grep -l multibytecodec_support Lib/test/*py > tests
./python -m test -u all --fromfile=tests -j0 -v

Thanks @serhiy-storchaka for the PR 🌮🎉.. I'm working now to backport this PR to: 3.8, 3.9.
🐍🍒⛏🤖

…CJK codec tests (pythonGH-22566) (cherry picked from commit 2ef5caa) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

GH-22576 is a backport of this pull request to the 3.9 branch.

…CJK codec tests (pythonGH-22566) (cherry picked from commit 2ef5caa) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

GH-22577 is a backport of this pull request to the 3.8 branch.

…CJK codec tests (GH-22566) (cherry picked from commit 2ef5caa) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

Thanks @serhiy-storchaka for the PR 🌮🎉.. I'm working now to backport this PR to: 3.6.
🐍🍒⛏🤖

Thanks @serhiy-storchaka for the PR 🌮🎉.. I'm working now to backport this PR to: 3.7.
🐍🍒⛏🤖

GH-22578 is a backport of this pull request to the 3.7 branch.

GH-22579 is a backport of this pull request to the 3.6 branch.

…CJK codec tests (pythonGH-22566) (cherry picked from commit 2ef5caa) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

…CJK codec tests (GH-22566) (GH-22577) (cherry picked from commit 2ef5caa) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com> Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

…UnicodeNames tests (GH-22575) Similarly to GH-22566, those tests called eval() on content received via HTTP in test_named_sequences_full. This likely isn't exploitable because unicodedata.lookup(seqname) is called before self.checkletter(seqname, None) - thus any string which isn't a valid unicode character name wouldn't ever reach the checkletter method. Still, it's probably better to be safe than sorry.

* origin/master: (147 commits) Fix the attribute names in the docstring of GenericAlias (pythonGH-22594) bpo-39337: Add a test case for normalizing of codec names (pythonGH-19069) bpo-41557: Update Windows installer to use SQLite 3.33.0 (pythonGH-21960) bpo-41976: Fix the fallback to gcc of ctypes.util.find_library when using gcc>9 (pythonGH-22598) bpo-41306: Allow scale value to not be rounded (pythonGH-21715) bpo-41970: Avoid test failure in test_lib2to3 if the module is already imported (pythonGH-22595) bpo-41376: Fix the documentation of `site.getusersitepackages()` (pythonGH-21602) Revert "bpo-26680: Incorporate is_integer in all built-in and standard library numeric types (pythonGH-6121)" (pythonGH-22584) bpo-41923: PEP 613: Add TypeAlias to typing module (python#22532) Fix comment about PyObject_IsTrue. (pythonGH-22343) bpo-38605: Make 'from __future__ import annotations' the default (pythonGH-20434) bpo-41905: Add abc.update_abstractmethods() (pythonGH-22485) bpo-41944: No longer call eval() on content received via HTTP in the UnicodeNames tests (pythonGH-22575) bpo-41944: No longer call eval() on content received via HTTP in the CJK codec tests (pythonGH-22566) Post 3.10.0a1 Python 3.10.0a1 bpo-41584: clarify when the reflected method of a binary arithemtic operator is called (python#22505) bpo-41939: Fix test_site.test_license_exists_at_url() (python#22559) bpo-41774: Tweak new programming FAQ entry (pythonGH-22562) bpo-41936. Remove macros Py_ALLOW_RECURSION/Py_END_ALLOW_RECURSION (pythonGH-22552) ...

…CJK codec tests (pythonGH-22566)

…UnicodeNames tests (pythonGH-22575) Similarly to pythonGH-22566, those tests called eval() on content received via HTTP in test_named_sequences_full. This likely isn't exploitable because unicodedata.lookup(seqname) is called before self.checkletter(seqname, None) - thus any string which isn't a valid unicode character name wouldn't ever reach the checkletter method. Still, it's probably better to be safe than sorry.

…CJK codec tests (GH-22566) (GH-22578) (cherry picked from commit 2ef5caa) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

…CJK codec tests (GH-22566) (GH-22579) (cherry picked from commit 2ef5caa) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

…CJK codec tests (pythonGH-22566) (pythonGH-22579) (cherry picked from commit 2ef5caa) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com> Rebased for Python 2.7 by Michał Górny <mgorny@gentoo.org>

bpo-41944: No longer call eval() on content received via HTTP in the …

e0e3761

…CJK codec tests

serhiy-storchaka added tests Tests in the Lib/test dir type-security A security issue needs backport to 3.8 labels Oct 5, 2020

the-knights-who-say-ni added the CLA signed label Oct 5, 2020

bedevere-bot added the awaiting core review label Oct 5, 2020

vstinner reviewed Oct 6, 2020

View reviewed changes

Convert assert to fail().

2fdfdc1

vstinner approved these changes Oct 6, 2020

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bedevere-bot added awaiting merge and removed awaiting core review labels Oct 6, 2020

The-Compiler mentioned this pull request Oct 6, 2020

bpo-41944: No longer call eval() on content received via HTTP in the UnicodeNames tests #22575

Merged

serhiy-storchaka merged commit 2ef5caa into python:master Oct 6, 2020

bedevere-bot removed the awaiting merge label Oct 6, 2020

serhiy-storchaka deleted the test-multibytecodec_support-eval branch October 6, 2020 12:14

bedevere-bot removed the needs backport to 3.9 label Oct 6, 2020

bedevere-bot removed the needs backport to 3.8 label Oct 6, 2020

miss-islington added a commit that referenced this pull request Oct 6, 2020

bpo-41944 : No longer call eval() on content received via HTTP in the …

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…CJK codec tests (GH-22566) (cherry picked from commit 2ef5caa) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

vstinner added needs backport to 3.6 labels Oct 6, 2020

bedevere-bot removed the needs backport to 3.7 label Oct 6, 2020

bedevere-bot removed the needs backport to 3.6 label Oct 6, 2020

xzy3 pushed a commit to xzy3/cpython that referenced this pull request Oct 18, 2020

bpo-41944: No longer call eval() on content received via HTTP in the …

ede0d6c

…CJK codec tests (pythonGH-22566)

ned-deily pushed a commit that referenced this pull request Oct 20, 2020

bpo-41944 : No longer call eval() on content received via HTTP in the …

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…CJK codec tests (GH-22566) (GH-22578) (cherry picked from commit 2ef5caa) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

ned-deily pushed a commit that referenced this pull request Oct 20, 2020

bpo-41944 : No longer call eval() on content received via HTTP in the …

e912e94

…CJK codec tests (GH-22566) (GH-22579) (cherry picked from commit 2ef5caa) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

ucodery mentioned this pull request Nov 10, 2020

Address CVE-2020-27619 for multibytecodec tests ActiveState/cpython#4

Merged

serhiy-storchaka mentioned this pull request Apr 10, 2022

[security][CVE-2020-27619] Python testsuite calls eval() on content received via HTTP #86110

Closed

-                              elif csetval >= 0x100:
-                                  csetch = bytes([(csetval >> 8), (csetval & 0xff)])
-                              else:
+                              assert data[0][:2] == '0x'

bpo-41944: No longer call eval() on content received via HTTP in the CJK codec tests by serhiy-storchaka · Pull Request #22566 · python/cpython · GitHub

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bpo-41944: No longer call eval() on content received via HTTP in the CJK codec tests - #22566

bpo-41944: No longer call eval() on content received via HTTP in the CJK codec tests#22566
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