CVE-2023-50433 - Vulnerability Details - OpenCVE

Description

marshall in dhcp_packet.c in simple-dhcp-server through ec976d2 allows remote attackers to cause a denial of service by sending a malicious DHCP packet. The crash is caused by a type confusion bug that results in a large memory allocation; when this memory allocation fails the DHCP server will crash.

Published: 2024-04-29

Score: 6.5 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

No data.

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

No advisories yet.

No CVSS v4.0

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00568.

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://papers.mathyvanhoef.com/esorics2024.pdf

History

Fri, 01 Nov 2024 20:15:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-843
Metrics		cvssV3_1 `{'score': 6.5, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}` ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

No data.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2024-04-29T00:00:00.000Z

Updated: 2024-11-01T20:08:49.745Z

Reserved: 2023-12-09T00:00:00.000Z

Link: CVE-2023-50433

Vulnrichment

Updated: 2024-08-02T22:16:46.606Z

NVD

Status : Deferred

Published: 2024-04-29T22:15:06.830

Modified: 2026-04-15T00:35:42.020

Link: CVE-2023-50433

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-843

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