USN-4563-2

It was discovered that the fix for CVE-2018-7182 introduced a NULL pointer dereference into NTP. An attacker could use this vulnerability to cause a denial of service (crash).

References

Affected packages

Ubuntu:20.04:LTS / ntp

Package

Name: ntp
Purl: pkg:deb/ubuntu/ntp@1:4.2.8p12+dfsg-3ubuntu4.20.04.1?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:4.2.8p12+dfsg-3ubuntu4.20.04.1

Affected versions

1:4.*

1:4.2.8p12+dfsg-3ubuntu2

1:4.2.8p12+dfsg-3ubuntu3

1:4.2.8p12+dfsg-3ubuntu4

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1:4.2.8p12+dfsg-3ubuntu4.20.04.1",
            "binary_name": "ntp"
        },
        {
            "binary_version": "1:4.2.8p12+dfsg-3ubuntu4.20.04.1",
            "binary_name": "ntpdate"
        },
        {
            "binary_version": "1:4.2.8p12+dfsg-3ubuntu4.20.04.1",
            "binary_name": "sntp"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2019-8936"
        }
    ]
}