Vulnerability in Isc Dhcp

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 overflow (and resulting crash) in dhclient by sending a response containing a sp…

EPSS: 0.050 (91.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Isc Dhcp — versions ISC DHCP 4.1.0 -> 4.1-ESV-R15, 4.2.0 -> 4.2.8, 4.3.0 -> 4.3.6, 4.4.0

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-5732?
CVE-2018-5732 is a high-severity vulnerability in Isc Dhcp. CVSS score: 7.5/10. Published 2019-10-09.
How severe is CVE-2018-5732?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2018-5732 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.