CVE-2021-29424 Information

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Reference

https://blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CBJVLXJSWN6DKSF5ADUEERI6M23R3GGP/ https://metacpan.org/changes/distribution/Net-Netmask#L11-22 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Y7JIPQAY5OZ5D3DA7INQILU7SGHTHMWB/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JF4CYIZELC3NISB3RMV4OCI4GYBC557B/ https://security.netapp.com/advisory/ntap-20210604-0007/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

7.5