Vulnerability Description
The Net::IPAddress::Util module before 5.000 for Perl does not properly consider extraneous zero characters in an IP address string, which (in some situations) allows attackers to bypass access control that is based on IP addresses.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/
- https://metacpan.org/release/Net-IPAddress-Util
- https://metacpan.org/release/PWBENNETT/Net-IPAddress-Util-5.000/changes
- https://blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/
- https://metacpan.org/release/Net-IPAddress-Util
- https://metacpan.org/release/PWBENNETT/Net-IPAddress-Util-5.000/changes
FAQ
What is CVE-2021-47156?
CVE-2021-47156 is a vulnerability with a CVSS score of 6.5 (MEDIUM). The Net::IPAddress::Util module before 5.000 for Perl does not properly consider extraneous zero characters in an IP address string, which (in some situations) allows attackers to bypass access contro...
How severe is CVE-2021-47156?
CVE-2021-47156 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-47156?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.