Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 25.7%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
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/
Products affected by CVE-2021-29424
-
cpe:2.3:a:net::netmask_project
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cpe:2.3:o:fedoraproject:fedora:32
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cpe:2.3:o:fedoraproject:fedora:33
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cpe:2.3:o:fedoraproject:fedora:34