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    CVE-2021-29424

    The Net::Netmask module before 2.0000 for Perl does not properly consider extraneous zero characters at the beginning of an IP address string, which (in some situations) allows attackers to bypass access control that is based on IP addresses.

    Published:Mar 29, 2021
    Last Modified:Nov 21, 2024
    EPS:Mar 29, 2021
    EPSS Score:0.00085
    CVSS Score:7.5

    Affected Products

    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Net\
    Product
    \

    Exploits

    https://blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/https://blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    https://blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBJVLXJSWN6DKSF5ADUEERI6M23R3GGP/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JF4CYIZELC3NISB3RMV4OCI4GYBC557B/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y7JIPQAY5OZ5D3DA7INQILU7SGHTHMWB/
    https://metacpan.org/changes/distribution/Net-Netmask#L11-22
    https://security.netapp.com/advisory/ntap-20210604-0007/
    https://blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CBJVLXJSWN6DKSF5ADUEERI6M23R3GGP/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JF4CYIZELC3NISB3RMV4OCI4GYBC557B/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y7JIPQAY5OZ5D3DA7INQILU7SGHTHMWB/
    https://metacpan.org/changes/distribution/Net-Netmask#L11-22
    https://security.netapp.com/advisory/ntap-20210604-0007/

    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