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.
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
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| 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 |
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