1. Ubuntu Security Notices
  2. USN-6712-1

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

Publication date

25 March 2024

Overview

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

Releases

Packages

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.

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
20.04 focal libnet-cidr-lite-perl –  0.21-2ubuntu0.1

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Get Ubuntu Pro

References

Have additional questions?

Talk to a member of the team ›