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os.makedirs(exist_ok=True) is not thread-safe: umask is set temporary to 0, serious security problem #65281

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@desrt

Description

@desrt
mannequin
BPO 21082
Nosy @birkenfeld
Files
  • get_masked_mode.patch
  • 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 = <Date 2014-04-01.23:22:27.183>
    created_at = <Date 2014-03-28.07:04:06.306>
    labels = ['type-security', 'library', 'release-blocker']
    title = 'os.makedirs(exist_ok=True) is not thread-safe: umask is set temporary to 0, serious security problem'
    updated_at = <Date 2021-11-04.14:29:38.918>
    user = 'https://bugs.python.org/desrt'

    bugs.python.org fields:

    activity = <Date 2021-11-04.14:29:38.918>
    actor = 'eryksun'
    assignee = 'none'
    closed = True
    closed_date = <Date 2014-04-01.23:22:27.183>
    closer = 'python-dev'
    components = ['Library (Lib)']
    creation = <Date 2014-03-28.07:04:06.306>
    creator = 'desrt'
    dependencies = []
    files = ['34649']
    hgrepos = []
    issue_num = 21082
    keywords = ['patch', 'security_issue']
    message_count = 11.0
    messages = ['215020', '215022', '215024', '215025', '215026', '215027', '215028', '215034', '215229', '215345', '215346']
    nosy_count = 1.0
    nosy_names = ['georg.brandl']
    pr_nums = []
    priority = 'release blocker'
    resolution = 'fixed'
    stage = 'resolved'
    status = 'closed'
    superseder = None
    type = 'security'
    url = 'https://bugs.python.org/issue21082'
    versions = ['Python 3.2']

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