Skip to content

Failure to properly bounds-check a buffer used for...

Moderate severity Unreviewed Published May 24, 2022 to the GitHub Advisory Database • Updated Jan 28, 2023

Package

No package listedSuggest a package

Affected versions

Unknown

Patched versions

Unknown

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

References

Published by the National Vulnerability Database Oct 9, 2019
Published to the GitHub Advisory Database May 24, 2022
Last updated Jan 28, 2023

Severity

Moderate

EPSS score

0.158%
(53rd percentile)

Weaknesses

No CWEs

CVE ID

CVE-2018-5732

GHSA ID

GHSA-j4cm-vph7-f7qg

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

Learn more about GitHub language support

Loading Checking history
See something to contribute? Suggest improvements for this vulnerability.