CVE-2019-12779

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    CVE-2019-12779

    Published: 7 Jun 2019Last Modified: 8 Jul 2026

    Summary:

    Details: libqb before 1.0.5 allows local users to overwrite arbitrary files via a symlink attack, because it uses predictable filenames (under /dev/shm and /tmp) without O_EXCL.

    References: http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00017.html, http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00027.html, http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00031.html, http://www.securityfocus.com/bid/108691, https://access.redhat.com/errata/RHSA-2019:3610, https://github.com/ClusterLabs/libqb/releases/tag/v1.0.4, https://github.com/ClusterLabs/libqb/releases/tag/v1.0.5, https://security.gentoo.org/glsa/202107-03, https://bugzilla.redhat.com/show_bug.cgi?id=1695948, https://github.com/ClusterLabs/libqb/issues/338

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -d08dbcf08b0da418bce9b5427dfd89522916322a

    Affected versions

    v1.0.4
    v1.0.3
    v1.0.2
    v1.0.1
    v1.0

    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