CVE-2021-47154

Description

The Net::CIDR::Lite module before 0.22 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://metacpan.org/pod/Net::CIDR::Lite

https://metacpan.org/dist/Net-CIDR-Lite/changes

https://lists.debian.org/debian-lts-announce/2024/03/msg00023.html

https://github.com/stigtsp/Net-CIDR-Lite/commit/23b6ff0590dc279521863a502e890ef19a5a76fc

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

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3