CVE-2021-29424

Description

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.

References

https://security.netapp.com/advisory/ntap-20210604-0007/

https://metacpan.org/changes/distribution/Net-Netmask#L11-22

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y7JIPQAY5OZ5D3DA7INQILU7SGHTHMWB/

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/CBJVLXJSWN6DKSF5ADUEERI6M23R3GGP/

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

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3