CVE-2019-6553: Buffer Overflow
First published: Thu Apr 04 2019(Updated: )
A vulnerability was found in Rockwell Automation RSLinx Classic versions 4.10.00 and prior. An input validation issue in a .dll file of RSLinx Classic where the data in a Forward Open service request is passed to a fixed size buffer, allowing an attacker to exploit a stack-based buffer overflow condition.
Credit: ics-cert@hq.dhs.gov
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Rockwellautomation Rslinx | <=4.10.00 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2019-6553?
The severity of CVE-2019-6553 is critical with a severity value of 9.8.
How does CVE-2019-6553 impact Rockwell Automation RSLinx Classic?
CVE-2019-6553 allows an attacker to exploit a stack-based buffer overflow vulnerability in RSLinx Classic versions 4.10.00 and prior.
How can I fix the vulnerability in Rockwell Automation RSLinx Classic?
To fix the vulnerability in Rockwell Automation RSLinx Classic, it is recommended to update to a version higher than 4.10.00.
What is the Common Weakness Enumeration (CWE) ID for CVE-2019-6553?
The Common Weakness Enumeration (CWE) ID for CVE-2019-6553 are 119, 20, 787, and 121.
Where can I find more information about CVE-2019-6553?
You can find more information about CVE-2019-6553 at the following link: [https://ics-cert.us-cert.gov/advisories/ICSA-19-064-01](https://ics-cert.us-cert.gov/advisories/ICSA-19-064-01)
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