PublicDateAtUSN: 2018-03-01
Candidate: CVE-2018-5733
PublicDate: 2019-01-16 20:29:00 UTC
References: 
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5733
 https://kb.isc.org/article/AA-01567/75/CVE-2018-5733
 https://ubuntu.com/security/notices/USN-3586-1
 https://ubuntu.com/security/notices/USN-3586-2
Description:
 A malicious client which is allowed to send very large amounts of traffic
 (billions of packets) to a DHCP server can eventually overflow a 32-bit
 reference counter, potentially causing dhcpd to crash. Affects ISC DHCP
 4.1.0 -> 4.1-ESV-R15, 4.2.0 -> 4.2.8, 4.3.0 -> 4.3.6, 4.4.0.
Ubuntu-Description: 
Notes: 
Bugs: 
Priority: medium
Discovered-by: Felix Wilhelm
Assigned-to: 
CVSS:
 nvd: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H [7.5 HIGH]


Patches_isc-dhcp:
upstream_isc-dhcp: needs-triage
precise/esm_isc-dhcp: released (4.1.ESV-R4-0ubuntu5.13)
trusty_isc-dhcp: released (4.2.4-7ubuntu12.12)
trusty/esm_isc-dhcp: released (4.2.4-7ubuntu12.12)
xenial_isc-dhcp: released (4.3.3-5ubuntu12.9)
esm-infra/xenial_isc-dhcp: released (4.3.3-5ubuntu12.9)
artful_isc-dhcp: released (4.3.5-3ubuntu2.2)
bionic_isc-dhcp: released (4.3.5-3ubuntu5)
devel_isc-dhcp: released (4.3.5-3ubuntu5)