USN-2868-1

Sebastian Poehn discovered that the DHCP server, client, and relay incorrectly handled certain malformed UDP packets. A remote attacker could use this issue to cause the DHCP server, client, or relay to stop responding, resulting in a denial of service.

References

Affected packages

Ubuntu:14.04:LTS / isc-dhcp

Package

Name: isc-dhcp
Purl: pkg:deb/ubuntu/isc-dhcp@4.2.4-7ubuntu12.4?arch=source&distro=trusty

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

4.2.4-7ubuntu12.4

Affected versions

4.*

4.2.4-7ubuntu8

4.2.4-7ubuntu9

4.2.4-7ubuntu10

4.2.4-7ubuntu11

4.2.4-7ubuntu12

4.2.4-7ubuntu12.1

4.2.4-7ubuntu12.2

4.2.4-7ubuntu12.3

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "4.2.4-7ubuntu12.4",
            "binary_name": "isc-dhcp-client"
        },
        {
            "binary_version": "4.2.4-7ubuntu12.4",
            "binary_name": "isc-dhcp-common"
        },
        {
            "binary_version": "4.2.4-7ubuntu12.4",
            "binary_name": "isc-dhcp-dev"
        },
        {
            "binary_version": "4.2.4-7ubuntu12.4",
            "binary_name": "isc-dhcp-relay"
        },
        {
            "binary_version": "4.2.4-7ubuntu12.4",
            "binary_name": "isc-dhcp-server"
        },
        {
            "binary_version": "4.2.4-7ubuntu12.4",
            "binary_name": "isc-dhcp-server-ldap"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2015-8605"
        }
    ],
    "ecosystem": "Ubuntu:14.04:LTS"
}