SB2020013115 - Denial of service in several CODESYS V3 products
Published: January 31, 2020
Security Bulletin ID
SB2020013115
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource exhaustion (CVE-ID: CVE-2020-7052)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to uncontrolled memory allocation in affected products containing communication servers for the CODESYS communication protocol. A remote authenticated attacker can send a specially crafted request, trigger resource exhaustion and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.