USN-2567-1

Miroslav Lichvar discovered that NTP incorrectly validated MAC fields. A remote attacker could possibly use this issue to bypass authentication and spoof packets. (CVE-2015-1798)

Miroslav Lichvar discovered that NTP incorrectly handled certain invalid packets. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2015-1799)

Juergen Perlinger discovered that NTP incorrectly generated MD5 keys on big-endian platforms. This issue could either cause ntp-keygen to hang, or could result in non-random keys. (CVE number pending)

References

Affected packages

Ubuntu:14.04:LTS / ntp

Package

Name: ntp
Purl: pkg:deb/ubuntu/ntp@1:4.2.6.p5+dfsg-3ubuntu2.14.04.3?arch=source&distro=trusty

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1:4.2.6.p5+dfsg-3ubuntu2.14.04.3

Affected versions

1:4.*

1:4.2.6.p5+dfsg-3ubuntu2

1:4.2.6.p5+dfsg-3ubuntu2.14.04.1

1:4.2.6.p5+dfsg-3ubuntu2.14.04.2

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1:4.2.6.p5+dfsg-3ubuntu2.14.04.3",
            "binary_name": "ntp"
        },
        {
            "binary_version": "1:4.2.6.p5+dfsg-3ubuntu2.14.04.3",
            "binary_name": "ntpdate"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-2567-1.json"

cves_map

{
    "cves": [
        {
            "severity": [
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2015-1798"
        },
        {
            "severity": [
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ],
            "id": "CVE-2015-1799"
        }
    ],
    "ecosystem": "Ubuntu:14.04:LTS"
}