USN-4543-1

Michał Bentkowski discovered that Sanitize did not properly sanitize some math or svg HTML under certain circumstances. A remote attacker could potentially exploit this to conduct cross-site scripting (XSS) attacks. (CVE-2020-4054)

References

Affected packages

Ubuntu:20.04:LTS / ruby-sanitize

Package

Name: ruby-sanitize
Purl: pkg:deb/ubuntu/ruby-sanitize@4.6.6-2.1~0.20.04.1?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

4.6.6-2.1~0.20.04.1

Affected versions

4.*

4.6.6-2

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "ruby-sanitize",
            "binary_version": "4.6.6-2.1~0.20.04.1"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "id": "CVE-2020-4054",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4543-1.json"