USN-6712-1

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.

References

Affected packages

Ubuntu:20.04:LTS / libnet-cidr-lite-perl

Package

Name: libnet-cidr-lite-perl
Purl: pkg:deb/ubuntu/libnet-cidr-lite-perl@0.21-2ubuntu0.1?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

0.21-2ubuntu0.1

Affected versions

0.*

0.21-2

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libnet-cidr-lite-perl",
            "binary_version": "0.21-2ubuntu0.1"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2021-47154",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:20.04:LTS"
}

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6712-1.json"