CVE-2017-1000230

Published: Nov 17, 2017 Last Modified: Apr 20, 2025 EU-VD ID: EUVD-2017-1498 Aliases: GSD-2017-1000230
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 7,5
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
MEDIUM 5,0
Source: [email protected]
Access Vector: network
Access Complexity: low
Authentication: none
Confidentiality: none
Integrity: none
Availability: partial

Description

AI Translation Available

The Snap7 Server version 1.4.1 can be crashed when the ItemCount field of the ReadVar or WriteVar functions of the S7 protocol implementation in Snap7 are provided with unexpected input, thus resulting in denial of service attack.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0033
Percentile
0,6th
Updated

EPSS Score Trend (Last 90 Days)

20

Improper Input Validation

Stable
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Availability Confidentiality Integrity
Potential Impacts:
Dos: Crash, Exit, Or Restart Dos: Resource Consumption (Cpu) Dos: Resource Consumption (Memory) Read Memory Read Files Or Directories Modify Memory Execute Unauthorized Code Or Commands
Applicable Platforms
All platforms may be affected
Likelihood of Exploit: High
View CWE Details
Application

Snap7 Server by Snap7 Project

Product Information
Vendor Snap7 Project
Product Snap7 Server
Version 1.4.1
cpe:2.3:a:snap7_project:snap7_server:1.4.1:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://sourceforge.net/p/snap7/discussion/bugfix/thread/2d…
Third Party Advisory
https://sourceforge.net/p/snap7/discussion/bugfix/thread/2d2d085c/
https://sourceforge.net/p/snap7/discussion/bugfix/thread/2d…
Third Party Advisory
https://sourceforge.net/p/snap7/discussion/bugfix/thread/2d2d085c/