CVE-2016-2774

medium

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.

References

Advisories
More

https://usn.ubuntu.com/3586-1/

https://lists.debian.org/debian-lts-announce/2019/11/msg00023.html

http://www.securitytracker.com/id/1035196

http://www.securityfocus.com/bid/84208

http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html

http://rhn.redhat.com/errata/RHSA-2016-2590.html

http://lists.opensuse.org/opensuse-updates/2016-07/msg00066.html

http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183640.html

http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183458.html

https://kb.isc.org/article/AA-01354

Details

Source: Mitre, NVD

Published: 2016-03-09

Updated: 2025-04-12

Risk Information

CVSS v2

Base Score: 7.1

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 5.9

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.46006