CVEvulnerability

CVE-2016-2774

5.9 MEDIUM Published 2016-03-09 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2016-03-09
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.9 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
7.1 HIGH — AV:N/AC:M/Au:N/C:N/I:N/A:C
Weaknesses
CWE-20

Description

ISC DHCP 4.1.x before 4.1-ESV-R13 and 4.2.x and 4.3.x before 4.3.4 does not restrict the number of concurrent TCP sessions, which allows remote attackers to cause a denial of service (INSIST assertion failure or request-processing outage) by establishing many sessions.

Affected configurations

• isc dhcp 4.1-esv • isc dhcp 4.1.0 • isc dhcp 4.1.1 • isc dhcp 4.1.2 • isc dhcp 4.2.0 • isc dhcp 4.2.1 • isc dhcp 4.2.2 • isc dhcp 4.2.3 • isc dhcp 4.2.4 • isc dhcp 4.2.5 • isc dhcp 4.2.6 • isc dhcp 4.2.7 • isc dhcp 4.2.8 • isc dhcp 4.3.0 • isc dhcp 4.3.1 • isc dhcp 4.3.2 • isc dhcp 4.3.3 • debian debian linux 8.0 • canonical ubuntu linux 14.04 • canonical ubuntu linux 16.04 • canonical ubuntu linux 17.10

Related

Weakness · CWE (1)

  • CWE-20 Improper Input Validation weakness

References