CVE-2017-3144

isc-dhcp-client: A vulnerability stemming from failure to properly clean up closed OMAPI connections can lead to exhaustion of the poo...

CVE-2017-3144 is fixed in 6 products on 1 platform, first by isc-dhcp-client 4.3.5-3ubuntu5, released February 28, 2018. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
Low
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.7272
99th percentile

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.

Where it's fixed

ProductFixed inFixReleased
Linux
isc-dhcp-client · Ubuntu 18.04.6 LTS (bionic) 4.3.5-3ubuntu5 isc-dhcp-client 4.3.5-3ubuntu5 Feb 28, 2018
isc-dhcp-client-ddns · Ubuntu 18.04.6 LTS (bionic) 4.3.5-3ubuntu5 isc-dhcp-client-ddns 4.3.5-3ubuntu5 Feb 28, 2018
isc-dhcp-common · Ubuntu 18.04.6 LTS (bionic) 4.3.5-3ubuntu5 isc-dhcp-common 4.3.5-3ubuntu5 Feb 28, 2018
isc-dhcp-relay · Ubuntu 18.04.6 LTS (bionic) 4.3.5-3ubuntu5 isc-dhcp-relay 4.3.5-3ubuntu5 Feb 28, 2018
isc-dhcp-server · Ubuntu 18.04.6 LTS (bionic) 4.3.5-3ubuntu5 isc-dhcp-server 4.3.5-3ubuntu5 Feb 28, 2018
isc-dhcp-server-ldap · Ubuntu 18.04.6 LTS (bionic) 4.3.5-3ubuntu5 isc-dhcp-server-ldap 4.3.5-3ubuntu5 Feb 28, 2018