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Ubuntu: USN-3586-1 (CVE-2017-3144): DHCP vulnerabilities

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Ubuntu: USN-3586-1 (CVE-2017-3144): DHCP vulnerabilities

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
01/25/2018
Created
07/25/2018
Added
03/02/2018
Modified
09/12/2020

Description

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.

Solution(s)

  • ubuntu-upgrade-isc-dhcp-client
  • ubuntu-upgrade-isc-dhcp-relay
  • ubuntu-upgrade-isc-dhcp-server
  • ubuntu-upgrade-isc-dhcp-server-ldap

References

  • USN-3586-1
  • USN-3586-2
  • DSA-4133
  • CVE-2017-3144

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