CVE-2022-2929

DHCP memory leak

State: Published
Severity: 6.5 Medium
Published: Oct 7, 2022
Updated: Sep 16, 2024
Reserved: Aug 22, 2022

Description

In ISC DHCP 1.0 -> 4.4.3, ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16-P1 a system with access to a DHCP server, sending DHCP packets crafted to include fqdn labels longer than 63 bytes, could eventually cause the server to run out of memory.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	isc

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
ISC DHCPISC	1.0 through versions before 4.1-ESV-R16-P2Affected 4.2 through versions before 4.4.3.-P1Affected

References

https://kb.isc.org/docs/cve-2022-2929
[debian-lts-announce] 20221010 [SECURITY] [DLA 3146-1] isc-dhcp security updatemailing-list
FEDORA-2022-f5a45757dfvendor-advisory
FEDORA-2022-9ca9a94e28vendor-advisory
FEDORA-2022-c4f274a54fvendor-advisory
GLSA-202305-22vendor-advisory

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