CVE-2021-29424

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 v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:P/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

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

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Configurations

Configuration 1 (hide)

cpe:2.3:a:net\:\:netmask_project:net\:\:netmask:*:*:*:*:*:perl:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:34:::::::*
	cpe:2.3:o:fedoraproject:fedora:33:::::::*
	cpe:2.3:o:fedoraproject:fedora:32:::::::*

Information

Published : 2021-04-06 09:15

Updated : 2021-06-08 06:52

NVD link : CVE-2021-29424

Mitre link : CVE-2021-29424

JSON object : View

CWE

CWE-863

Incorrect Authorization

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Products Affected

fedoraproject

fedora

net\

\

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