USN-4562-1

It was discovered that kramdown insecurely handled certain crafted input. An attacker could use this vulnerability to read restricted files or execute arbitrary code.

References

Affected packages

Ubuntu:20.04:LTS / ruby-kramdown

Package

Name: ruby-kramdown
Purl: pkg:deb/ubuntu/ruby-kramdown@1.17.0-4ubuntu0.1?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.17.0-4ubuntu0.1

Affected versions

1.*

1.17.0-1

1.17.0-2

1.17.0-4

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.17.0-4ubuntu0.1",
            "binary_name": "kramdown"
        },
        {
            "binary_version": "1.17.0-4ubuntu0.1",
            "binary_name": "ruby-kramdown"
        }
    ],
    "availability": "No subscription required"
}

Database specific

{
    "cves_map": {
        "cves": [
            {
                "severity": [
                    {
                        "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "medium",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2020-14001"
            }
        ],
        "ecosystem": "Ubuntu:20.04:LTS"
    }
}