CVE-2017-3144

Published: 31 December 2017

A vulnerability stemming from failure to properly clean up closed OMAPI connections can lead to exhaustion of the pool of socket descriptors available to the DHCP server. Affects ISC DHCP 4.1.0 to 4.1-ESV-R15, 4.2.0 to 4.2.8, 4.3.0 to 4.3.6. Older versions may also be affected but are well beyond their end-of-life (EOL). Releases prior to 4.1.0 have not been tested.

Priority

Low

CVSS 3 base score: 7.5

Status

Package Release Status
isc-dhcp
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.04 (Hirsute Hippo)
Released (4.3.5-3ubuntu5)
Ubuntu 20.04 LTS (Focal Fossa)
Released (4.3.5-3ubuntu5)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (4.3.5-3ubuntu5)
Ubuntu 16.04 ESM (Xenial Xerus)
Released (4.3.3-5ubuntu12.9)
Ubuntu 14.04 ESM (Trusty Tahr)
Released (4.2.4-7ubuntu12.12)
Patches:
Upstream: https://source.isc.org/cgi-bin/gitweb.cgi?p=dhcp.git;a=commit;h=1a6b62fe17a42b00fa234d06b6dfde3d03451894