CVE-2017-0884

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    CVE-2017-0884

    Published: 5 Apr 2017Last Modified: 7 Aug 2026

    Summary:

    Details: Nextcloud Server before 9.0.55 and 10.0.2 suffers from a creation of folders in read-only folders despite lacking permissions issue. Due to a logical error in the file caching layer an authenticated adversary is able to create empty folders inside a shared folder. Note that this only affects folders and files that the adversary has at least read-only permissions for.

    References: https://hackerone.com/reports/169680, https://nextcloud.com/security/advisory/?id=nc-sa-2017-002

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -90411cdb01df67d09c5ab01ad9a16ebeffdd428a

    Affected versions

    v9.0.54
    v9.0.54RC1
    v9.0.52
    v9.0.52RC1
    v9.0.51
    v9.0.50
    v9.0.2
    v9.0.2RC2
    v9.0.2RC1
    v9.0.1RC2
    v9.0.1
    v9.0.1RC1
    v9.0.1beta
    v9.0.0
    v9.0.0RC3
    v9.0.0RC2
    v9.0.0RC1
    v9.0.0beta2

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High