[security] directory traversal in tempfile prefix
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Description
| BPO | 35278 |
|---|---|
| Nosy | @mjpieters, @vstinner, @ambv, @csabella, @Thorleon, @obestwalter |
| PRs | |
| Files |
Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.
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GitHub fields:
assignee = None
closed_at = None
created_at = <Date 2018-11-19.12:46:03.177>
labels = ['type-security', '3.8', '3.9', '3.10', '3.7', 'library']
title = '[security] directory traversal in tempfile prefix'
updated_at = <Date 2021-03-14.02:25:00.048>
user = 'https://bugs.python.org/YusukeEndoh'
bugs.python.org fields:
activity = <Date 2021-03-14.02:25:00.048>
actor = 'gregory.p.smith'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2018-11-19.12:46:03.177>
creator = 'Yusuke Endoh'
dependencies = []
files = ['47939']
hgrepos = []
issue_num = 35278
keywords = ['patch']
message_count = 6.0
messages = ['330097', '330100', '330169', '335174', '340205', '356299']
nosy_count = 7.0
nosy_names = ['mjpieters', 'vstinner', 'lukasz.langa', 'cheryl.sabella', 'Yusuke Endoh', 'thorleon', 'obestwalter']
pr_nums = ['10627']
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = 'security'
url = 'https://bugs.python.org/issue35278'
versions = ['Python 3.6', 'Python 3.7', 'Python 3.8', 'Python 3.9', 'Python 3.10']
Linked PRs
- gh-143889
- gh-150477
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with the bpo-35278.patch file and the linked PRs gh-143889 and gh-150477, then inspect the tempfile code under Lib. Determine the intended handling for directory traversal in the tempfile prefix and verify the behavior with the relevant library tests.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python
- Domain
- security
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 20/100