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    CVE-2020-26575

    In Wireshark through 3.2.7, the Facebook Zero Protocol (aka FBZERO) dissector could enter an infinite loop. This was addressed in epan/dissectors/packet-fbzero.c by correcting the implementation of offset advancement.

    Published:Oct 6, 2020
    Last Modified:Nov 21, 2024
    EPS:Oct 6, 2020
    EPSS Score:0.02233
    CVSS Score:7.5

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Oracle
    Product
    Zfs Storage Appliance
    Vendor
    Oracle
    Product
    Zfs Storage Appliance Firmware
    Vendor
    Wireshark
    Product
    Wireshark

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    https://gitlab.com/wireshark/wireshark/-/commit/3ff940652962c099b73ae3233322b8697b0d10ab
    https://gitlab.com/wireshark/wireshark/-/issues/16887
    https://gitlab.com/wireshark/wireshark/-/merge_requests/467
    https://gitlab.com/wireshark/wireshark/-/merge_requests/471
    https://gitlab.com/wireshark/wireshark/-/merge_requests/472
    https://gitlab.com/wireshark/wireshark/-/merge_requests/473
    https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHZSVK7PO2LTGFQXFHFXY6SOMSQ7UPRS/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V2667E6WKVE56G66BVBVD7LJPIDOJ7K3/
    https://security.gentoo.org/glsa/202011-08
    https://www.oracle.com/security-alerts/cpujan2021.html
    https://www.wireshark.org/security/wnpa-sec-2020-14.html
    https://gitlab.com/wireshark/wireshark/-/commit/3ff940652962c099b73ae3233322b8697b0d10ab
    https://gitlab.com/wireshark/wireshark/-/issues/16887
    https://gitlab.com/wireshark/wireshark/-/merge_requests/467
    https://gitlab.com/wireshark/wireshark/-/merge_requests/471
    https://gitlab.com/wireshark/wireshark/-/merge_requests/472
    https://gitlab.com/wireshark/wireshark/-/merge_requests/473
    https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHZSVK7PO2LTGFQXFHFXY6SOMSQ7UPRS/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V2667E6WKVE56G66BVBVD7LJPIDOJ7K3/
    https://security.gentoo.org/glsa/202011-08
    https://www.oracle.com/security-alerts/cpujan2021.html
    https://www.wireshark.org/security/wnpa-sec-2020-14.html

    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