Vulnerability 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.
CVSS Score
MEDIUM
References
- https://blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/
- https://github.com/stigtsp/Net-CIDR-Lite/commit/23b6ff0590dc279521863a502e890ef1
- https://lists.debian.org/debian-lts-announce/2024/03/msg00023.html
- https://metacpan.org/dist/Net-CIDR-Lite/changes
- https://metacpan.org/pod/Net::CIDR::Lite
- https://blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/
- https://github.com/stigtsp/Net-CIDR-Lite/commit/23b6ff0590dc279521863a502e890ef1
- https://lists.debian.org/debian-lts-announce/2024/03/msg00023.html
- https://metacpan.org/dist/Net-CIDR-Lite/changes
- https://metacpan.org/pod/Net::CIDR::Lite
FAQ
What is CVE-2021-47154?
CVE-2021-47154 is a vulnerability with a CVSS score of 6.3 (MEDIUM). 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 ac...
How severe is CVE-2021-47154?
CVE-2021-47154 has been rated MEDIUM with a CVSS base score of 6.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-47154?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.