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    CVE-2020-12823

    OpenConnect 8.09 has a buffer overflow, causing a denial of service (application crash) or possibly unspecified other impact, via crafted certificate data to get_cert_name in gnutls.c.

    Published:May 12, 2020
    Last Modified:Nov 21, 2024
    EPS:May 12, 2020
    EPSS Score:0.01506
    CVSS Score:9.8

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Infradead
    Product
    Openconnect
    Vendor
    Opensuse
    Product
    Leap

    Exploits

    https://bugs.gentoo.org/721570https://bugs.gentoo.org/721570

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    References

    http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00039.html
    http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00056.html
    https://bugs.gentoo.org/721570
    https://gitlab.com/openconnect/openconnect/-/merge_requests/108
    https://lists.debian.org/debian-lts-announce/2020/05/msg00015.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/25MFX4AZE7RDCUWOL4ZOE73YBOPUMQDX/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AYSXLXAPXD2T73T6JMHI5G2WP7KHAGMN/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BEVTIH5UFX35CC7MVSYBGRM3D66ACFD5/
    https://security.gentoo.org/glsa/202006-15
    http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00039.html
    http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00056.html
    https://bugs.gentoo.org/721570
    https://gitlab.com/openconnect/openconnect/-/merge_requests/108
    https://lists.debian.org/debian-lts-announce/2020/05/msg00015.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/25MFX4AZE7RDCUWOL4ZOE73YBOPUMQDX/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AYSXLXAPXD2T73T6JMHI5G2WP7KHAGMN/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BEVTIH5UFX35CC7MVSYBGRM3D66ACFD5/
    https://security.gentoo.org/glsa/202006-15

    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