CVE-2017-8806

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    CVE-2017-8806

    Published: 13 Nov 2017Last Modified: 10 Apr 2026

    Summary:

    Details: The Debian pg_ctlcluster, pg_createcluster, and pg_upgradecluster scripts, as distributed in the Debian postgresql-common package before 181+deb9u1 for PostgreSQL (and other packages related to Debian and Ubuntu), handled symbolic links insecurely, which could result in local denial of service by overwriting arbitrary files.

    References: http://metadata.ftp-master.debian.org/changelogs/main/p/postgresql-common/postgresql-common_181+deb9u1_changelog, http://www.securityfocus.com/bid/101810, https://usn.ubuntu.com/usn/usn-3476-1/, https://www.debian.org/security/2017/dsa-4029, http://metadata.ftp-master.debian.org/changelogs/main/p/postgresql-common/postgresql-common_181+deb9u1_changelog, https://usn.ubuntu.com/usn/usn-3476-1/, https://www.debian.org/security/2017/dsa-4029, http://metadata.ftp-master.debian.org/changelogs/main/p/postgresql-common/postgresql-common_181+deb9u1_changelog, http://www.securityfocus.com/bid/101810

    Affected packages

    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