Is CVE-2018-5732 actively exploited?

CVE-2018-5732 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2018-5732?

CVE-2018-5732 has a CVSS score of 7.5 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

How do I patch CVE-2018-5732?

Patch guidance is available from isc security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2018-5732.

Which products are affected by CVE-2018-5732?

38 products: isc dhcp, isc dhcp, isc dhcp, isc dhcp, isc dhcp, and 33 more.

Fix CVE-2018-5732 - HIGH isc dhcp

Description

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

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-119 · Memory Buffer Errors

Metadata

Primary Vendor: ISC
Published: 10/9/2019
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

isc : dhcpisc : dhcpisc : dhcpisc : dhcpisc : dhcpisc : dhcpisc : dhcpisc : dhcpisc : dhcpisc : dhcpisc : dhcpisc : dhcpisc : dhcpisc : dhcpisc : dhcpisc : dhcpisc : dhcpisc : dhcpisc : dhcpisc : dhcpisc : dhcpisc : dhcpisc : dhcpisc : dhcpisc : dhcpisc : dhcpisc : dhcpisc : dhcpisc : dhcpisc : dhcpisc : dhcpisc : dhcpisc : dhcpisc : dhcpisc : dhcpisc : dhcpisc : dhcpisc : dhcp

Remediation Guidance

Executive Summary

View on NIST NVD