PT-2024-13938 · Unknown · Simple-Dhcp-Server

Published 2024-04-29 · Updated 2024-11-01 · CVE-2023-50433

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions simple-dhcp-server versions through ec976d2

Description The issue allows remote attackers to cause a denial of service by sending a malicious DHCP packet. This is caused by a type confusion bug that results in a large memory allocation. When the memory allocation fails, the DHCP server crashes.

Recommendations For simple-dhcp-server versions through ec976d2, as a temporary workaround, consider restricting access to the DHCP server to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Type Confusion

Weakness Enumeration

CWE-843

Related Identifiers

CVE-2023-50433

Affected Products

Simple-Dhcp-Server

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2023-50433 · Security Note
• https://papers.mathyvanhoef.com/esorics2024.pdf · Note
• https://t.me/cvenotify/78486 · Telegram Post
• https://t.me/cvenotify/100368 · Telegram Post