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    CVE-2019-12779

    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.

    Published:Apr 3, 2019
    Last Modified:Nov 21, 2024
    EPS:Jun 7, 2019
    EPSS Score:0.00032
    CVSS Score:7.1

    Affected Products

    Vendor
    Clusterlabs
    Product
    Libqb
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    https://bugzilla.redhat.com/show_bug.cgi?id=1695948https://github.com/ClusterLabs/libqb/issues/338https://bugzilla.redhat.com/show_bug.cgi?id=1695948https://github.com/ClusterLabs/libqb/issues/338

    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://bugzilla.redhat.com/show_bug.cgi?id=1695948
    https://github.com/ClusterLabs/libqb/issues/338
    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
    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://bugzilla.redhat.com/show_bug.cgi?id=1695948
    https://github.com/ClusterLabs/libqb/issues/338
    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

    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