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    CVE-2022-36440

    A reachable assertion was found in Frrouting frr-bgpd 8.3.0 in the peek_for_as4_capability function. Attackers can maliciously construct BGP open packets and send them to BGP peers running frr-bgpd, resulting in DoS.

    Published:Apr 3, 2023
    Last Modified:Nov 21, 2024
    EPS:Apr 3, 2023
    EPSS Score:0.00201
    CVSS Score:7.5

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Frrouting
    Product
    Frrouting
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    https://github.com/spwpun/pocs/blob/main/frr-bgpd.mdhttps://github.com/spwpun/pocs/blob/main/frr-bgpd.md

    Common Weakness Enumeration

    CWE-617 Reachable Assertion

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    https://github.com/spwpun/pocs
    https://github.com/spwpun/pocs/blob/main/frr-bgpd.md
    https://lists.debian.org/debian-lts-announce/2023/09/msg00020.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3HU4PKLUVB5CTMOVQ2GV33TNUNMJCBGD/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBXEXL2ZQBWCBLNUP6P67FHECXQWSK3L/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GM66PNHGCXZU66LQCTP2FSJLFF6CVMSI/
    https://www.debian.org/security/2023/dsa-5495
    https://github.com/spwpun/pocs
    https://github.com/spwpun/pocs/blob/main/frr-bgpd.md
    https://lists.debian.org/debian-lts-announce/2023/09/msg00020.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3HU4PKLUVB5CTMOVQ2GV33TNUNMJCBGD/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBXEXL2ZQBWCBLNUP6P67FHECXQWSK3L/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GM66PNHGCXZU66LQCTP2FSJLFF6CVMSI/
    https://www.debian.org/security/2023/dsa-5495

    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