==========================================================================
Ubuntu Security Notice USN-6712-1
March 25, 2024

libnet-cidr-lite-perl vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS

Summary:

Net::CIDR::Lite could allow unintended access to network services.

Software Description:
- libnet-cidr-lite-perl: module for merging IPv4 or IPv6 CIDR address ranges

Details:

It was discovered that Net::CIDR::Lite incorrectly handled extra zero
characters at the beginning of IP address strings. A remote attacker could
possibly use this issue to bypass access controls.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.04 LTS:
   libnet-cidr-lite-perl           0.21-2ubuntu0.1

In general, a standard system update will make all the necessary changes.

References:
   https://ubuntu.com/security/notices/USN-6712-1
   CVE-2021-47154

Package Information:
   https://launchpad.net/ubuntu/+source/libnet-cidr-lite-perl/0.21-2ubuntu0.1

Ubuntu 6712-1: Net::CIDR::Lite vulnerability

March 25, 2024
Net::CIDR::Lite could allow unintended access to network services.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.04 LTS Summary: Net::CIDR::Lite could allow unintended access to network services. Software Description: - libnet-cidr-lite-perl: module for merging IPv4 or IPv6 CIDR address ranges Details: It was discovered that Net::CIDR::Lite incorrectly handled extra zero characters at the beginning of IP address strings. A remote attacker could possibly use this issue to bypass access controls.

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS: libnet-cidr-lite-perl 0.21-2ubuntu0.1 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-6712-1

CVE-2021-47154

Severity
Ubuntu Security Notice USN-6712-1

Package Information

https://launchpad.net/ubuntu/+source/libnet-cidr-lite-perl/0.21-2ubuntu0.1

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