Executive Summary

Informations
Name CVE-2021-29424 First vendor Publication 2021-04-06
Vendor Cve Last vendor Modification 2023-11-07

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Overall CVSS Score 7.5
Base Score 7.5 Environmental Score 7.5
impact SubScore 3.6 Temporal Score 7.5
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact High Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:P/A:N)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-29424

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-704 Incorrect Type Conversion or Cast

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 3

Sources (Detail)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
Source Url
CONFIRM https://security.netapp.com/advisory/ntap-20210604-0007/
MISC https://blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/
https://metacpan.org/changes/distribution/Net-Netmask#L11-22

Alert History

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Date Informations
2023-11-07 21:35:17
  • Multiple Updates
2023-08-09 17:28:41
  • Multiple Updates
2021-06-08 17:22:54
  • Multiple Updates
2021-06-04 17:22:58
  • Multiple Updates
2021-05-04 14:09:50
  • Multiple Updates
2021-04-22 00:23:06
  • Multiple Updates
2021-04-15 21:23:21
  • Multiple Updates
2021-04-09 09:22:56
  • Multiple Updates
2021-04-06 21:23:24
  • First insertion