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    CVE-2019-11328

    An issue was discovered in Singularity 3.1.0 to 3.2.0-rc2, a malicious user with local/network access to the host system (e.g. ssh) could exploit this vulnerability due to insecure permissions allowing a user to edit files within `/run/singularity/instances/sing/<user>/<instance>`. The manipulation of those files can change the behavior of the starter-suid program when instances are joined resulting in potential privilege escalation on the host.

    Published:May 14, 2019
    Last Modified:Nov 21, 2024
    EPS:May 14, 2019
    EPSS Score:0.00841
    CVSS Score:8.8

    Affected Products

    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Opensuse
    Product
    Backports
    Vendor
    Opensuse
    Product
    Leap
    Vendor
    Sylabs
    Product
    Singularity

    Exploits

    http://www.openwall.com/lists/oss-security/2019/05/16/1http://www.openwall.com/lists/oss-security/2019/05/16/1

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    References

    http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00028.html
    http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00059.html
    http://www.openwall.com/lists/oss-security/2019/05/16/1
    http://www.securityfocus.com/bid/108360
    https://github.com/sylabs/singularity/releases/tag/v3.2.0
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5O3TPL5OOTIZEI4H6IQBCCISBARJ6WL3/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LIHV7DSEVTB5SUPEZ2UXGS3Q6WMEQSO2/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LNU5BUHFOTYUZVHFUSX2VG4S3RCPUEMA/
    http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00028.html
    http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00059.html
    http://www.openwall.com/lists/oss-security/2019/05/16/1
    http://www.securityfocus.com/bid/108360
    https://github.com/sylabs/singularity/releases/tag/v3.2.0
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5O3TPL5OOTIZEI4H6IQBCCISBARJ6WL3/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LIHV7DSEVTB5SUPEZ2UXGS3Q6WMEQSO2/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LNU5BUHFOTYUZVHFUSX2VG4S3RCPUEMA/

    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