Beckhoff TwinCAT Profinet Driver UDP Packet divide by zero

CVSS Meta Temp Score
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Beckhoff TwinCAT. Affected is an unknown function of the component Profinet Driver. The manipulation as part of UDP Packet results in divide by zero. This vulnerability is reported as CVE-2019-5637. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Beckhoff TwinCAT (affected version unknown). It has been classified as problematic. Affected is an unknown functionality of the component Profinet Driver. The manipulation as part of a UDP Packet leads to a divide by zero vulnerability. CWE is classifying the issue as CWE-369. The product divides a value by zero. This is going to have an impact on availability. CVE summarizes:

When Beckhoff TwinCAT is configured to use the Profinet driver, a denial of service of the controller could be reached by sending a malformed UDP packet to the device.

The weakness was disclosed 11/21/2019 (Website). The advisory is shared for download at download.beckhoff.com. This vulnerability is traded as CVE-2019-5637. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.8

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector (Rapid7, Inc.): 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Divide by zero
CWE: CWE-369 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/07/2019 🔍
11/21/2019 +318 days 🔍
11/22/2019 +1 days 🔍
02/26/2024 +1557 days 🔍

Sourcesinfo

Advisory: download.beckhoff.com
Status: Not defined

CVE: CVE-2019-5637 (🔍)
GCVE (CVE): GCVE-0-2019-5637
GCVE (VulDB): GCVE-100-146112

Entryinfo

Created: 11/22/2019 08:37
Updated: 02/26/2024 12:24
Changes: 11/22/2019 08:37 (37), 11/22/2019 08:42 (10), 02/26/2024 12:17 (2), 02/26/2024 12:24 (19)
Complete: 🔍
Cache ID: 216::103

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