VDB-278087 · CVE-2024-39590 · TALOS-2024-2016

OpenPLC v3 16bf8bac1a36d95b73e7b8722d0edb8b9c5bb56a EtherNet IP type conversion

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in OpenPLC v3 16bf8bac1a36d95b73e7b8722d0edb8b9c5bb56a. It has been classified as critical. The impacted element is an unknown function of the component EtherNet IP Handler. The manipulation leads to type conversion. This vulnerability is uniquely identified as CVE-2024-39590. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in OpenPLC v3 16bf8bac1a36d95b73e7b8722d0edb8b9c5bb56a and classified as critical. This issue affects an unknown code block of the component EtherNet IP Handler. The manipulation with an unknown input leads to a type conversion vulnerability. Using CWE to declare the problem leads to CWE-704. The product does not correctly convert an object, resource, or structure from one type to a different type. Impacted is availability. The summary by CVE is:

Multiple invalid pointer dereference vulnerabilities exist in the OpenPLC Runtime EtherNet/IP parser functionality of OpenPLC_v3 16bf8bac1a36d95b73e7b8722d0edb8b9c5bb56a. A specially crafted EtherNet/IP request can lead to denial of service. An attacker can send a series of EtherNet/IP requests to trigger these vulnerabilities.This instance of the vulnerability occurs within the `Protected_Logical_Write_Reply` function

It is possible to read the advisory at talosintelligence.com. The identification of this vulnerability is CVE-2024-39590 since 06/26/2024. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/27/2024).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

OpenPLC

Name

Version

16bf8bac1a36d95b73e7b8722d0edb8b9c5bb56a

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (talos): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Type conversion
CWE: CWE-704
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/26/2024 🔍
09/18/2024 +84 days 🔍
09/18/2024 +0 days 🔍
09/27/2024 +9 days 🔍

Sourcesinfo

Advisory: TALOS-2024-2016
Status: Not defined

CVE: CVE-2024-39590 (🔍)
GCVE (CVE): GCVE-0-2024-39590
GCVE (VulDB): GCVE-100-278087

Entryinfo

Created: 09/18/2024 18:37
Updated: 09/27/2024 03:37
Changes: 09/18/2024 18:37 (62), 09/27/2024 03:37 (1)
Complete: 🔍
Cache ID: 216::103