NetSight
high7.5

CVE-2018-5732

Failure to properly bounds-check a buffer used for processing DHCP options allows a malicious server (or an entity masquerading as a server) to cause a buffer …

Impact

Failure to properly bounds-check a buffer used for processing DHCP options allows a malicious server (or an entity masquerading as a server) to cause a buffer overflow (and resulting crash) in dhclient by sending a response containing a specially constructed options section. Affects ISC DHCP versions 4.1.0 -> 4.1-ESV-R15, 4.2.0 -> 4.2.8, 4.3.0 -> 4.3.6, 4.4.0

Affected products

VendorProductAffected versions
IscDhcp
from 4.1.0 through 4.1.2
from 4.2.0 before 4.2.8
from 4.3.0 before 4.3.6
Versions 4.1-esv, 4.1.2, 4.4.0

Weakness classification

References