Modicon M580 CPU BMEP582040/Ethernet Module BMENOC0301 FTP Service CWD Command denial of service

A vulnerability, which was classified as problematic, has been found in Modicon M580 CPU BMEP582040 and Ethernet Module BMENOC0301 (Chip Software) (affected version not known). Affected by this issue is an unknown code block of the component FTP Service. The manipulation as part of a CWD Command leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. Impacted is availability.

The bug was discovered 05/16/2019. The weakness was presented 07/15/2019. This vulnerability is handled as CVE-2018-7838 since 03/08/2018. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 60 days. During that time the estimated underground price was around $0-$5k.

Upgrading eliminates this vulnerability.

Type

Vendor

Name

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.5

VulDB Base Score: ≈5.7
VulDB Temp Score: ≈5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Denial of service (CWE-404)
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

03/08/2018 CVE assigned
05/16/2019 +434 days Vulnerability found
07/15/2019 +60 days Advisory disclosed
07/16/2019 +1 days VulDB entry created
07/16/2019 +0 days VulDB last update
CVE: CVE-2018-7838 (🔒)
OSVDB: - Schneider Electric Modicon Controllers information disclosure
Created: 07/16/2019 09:25 AM
Complete: 🔍

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