SB2019091722 - Denial of service in Modicon Quantum 140 NOE771x1
Published: September 17, 2019 Updated: October 2, 2019
Security Bulletin ID
SB2019091722
Severity
High
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) Improper Check for Unusual or Exceptional Conditions (CVE-ID: CVE-2019-6811)
The vulnerability allows a remote attacker to cause a denial of service (DoS) condition.
The vulnerability exits due to the affected software does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the software. A remote attacker can send a specially crafted IP fragmented packet with a length greater than 65535 bytes to the module and cause a denial of service condition.
Remediation
Install update from vendor's website.