Monday, March 25, 2024

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

-----BEGIN PGP SIGNATURE-----
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=eYCr
-----END PGP SIGNATURE-----
==========================================================================
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

No comments:

Post a Comment