CVE-2022-2929 describes a denial-of-service vulnerability in ISC DHCP versions 1.0 through 4.4.3 and 4.1-ESV-R1 through 4.1-ESV-R16-P1, affecting various Debian and Fedora distributions. An attacker on the local network can craft DHCP packets with excessively long FQDN labels, leading to memory exhaustion on the DHCP server. With a CVSS score of 6.5 (Medium), this vulnerability has a low attack complexity and high impact on availability, requiring no user interaction or privileges. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 1.0.0, < 4.1-esvCPE matchmatch criteria | cpe:2.3:a:isc:dhcp:*:*:*:*:*:*:*:* | ||
>= 4.2.0, <= 4.4.3CPE matchmatch criteria | cpe:2.3:a:isc:dhcp:*:*:*:*:*:*:*:* | ||
4.1-esvCPE matchmatch criteria | cpe:2.3:a:isc:dhcp:4.1-esv:r1:*:*:*:*:*:* | ||
4.1-esvCPE matchmatch criteria | cpe:2.3:a:isc:dhcp:4.1-esv:r10:*:*:*:*:*:* | ||
4.1-esvCPE matchmatch criteria | cpe:2.3:a:isc:dhcp:4.1-esv:r10_b1:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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