CVE-2017-7549

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    CVE-2017-7549

    Published: 21 Sept 2017Last Modified: 27 Aug 2026

    Summary:

    Details: A flaw was found in instack-undercloud 7.2.0 as packaged in Red Hat OpenStack Platform Pike, 6.1.0 as packaged in Red Hat OpenStack Platform Oacta, 5.3.0 as packaged in Red Hat OpenStack Newton, where pre-install and security policy scripts used insecure temporary files. A local user could exploit this flaw to conduct a symbolic-link attack, allowing them to overwrite the contents of arbitrary files.

    References: http://www.securityfocus.com/bid/100407, https://access.redhat.com/errata/RHSA-2017:2557, https://access.redhat.com/errata/RHSA-2017:2649, https://access.redhat.com/errata/RHSA-2017:2687, https://access.redhat.com/errata/RHSA-2017:2693, https://access.redhat.com/errata/RHSA-2017:2726, https://bugzilla.redhat.com/show_bug.cgi?id=1477403

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 65e5dec70ef7d27b5a3f16803dac58500b480506
    Fixed -None

    Affected versions

    5.3.0

    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
    CVE-2017-7549 | CVE-DB