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.
{
"binaries": [
{
"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",
"binary_version": "4.2.4-7ubuntu12.4"
}
],
"availability": "No subscription required"
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-2868-1.json"
{
"ecosystem": "Ubuntu:14.04:LTS",
"cves": [
{
"id": "CVE-2015-8605",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
]
}