Full Report
CISA has issued an advisory on a Rockwell Automation MicroLogix 1400 buffer overflow vulnerability
Analysis Summary
As the provided text is extremely sparse, only confirming the topic (Rockwell Automation MicroLogix 1400 buffer overflow discussed by Kaspersky ICS CERT, aligned with a CISA advisory), a complete, actionable summary requires inferring standard reporting structure based on the context prompt structure. **Actual vulnerability details (CVE, scores, versions, patches) are not present in the source text provided.**
Below is the structured summary filled with placeholders reflecting the *required fields*, based *only* on the generic context provided.
# Vulnerability: Rockwell Automation MicroLogix 1400 Buffer Overflow
## CVE Details
- CVE ID: [**TO BE FILLED** - Likely assigned by CISA/Vendor]
- CVSS Score: [**TO BE FILLED**] ([**TO BE FILLED**])
- CWE: [**TO BE FILLED** - Likely CWE-120: Buffer Copy without Checking Size of Input or CWE-121: Stack-based Buffer Overflow]
## Affected Systems
- Products: Rockwell Automation MicroLogix 1400
- Versions: [**TO BE FILLED** - Specific vulnerable firmware/software versions]
- Configurations: [**TO BE FILLED** - Specific service/setting that triggers the overflow]
## Vulnerability Description
A classic buffer overflow vulnerability exists within the firmware of the Rockwell Automation MicroLogix 1400 controller. This flaw likely occurs when processing specially crafted input data (e.g., via management protocols like EtherNet/IP or web interface) that exceeds the bounds of an allocated buffer, potentially leading to the corruption of memory structures.
## Exploitation
- Status: [**TO BE FILLED** - Based on CISA/Vendor release: Potentially "Exploited in the wild" or "PoC available"]
- Complexity: [**TO BE FILLED**]
- Attack Vector: Network (Likely remote, unauthenticated access to impacted service)
## Impact
- Confidentiality: [**TO BE FILLED** - Expected: High/Moderate (Information Leakage)]
- Integrity: [**TO BE FILLED** - Expected: High (Code Execution/Configuration Change)]
- Availability: [**TO BE FILLED** - Expected: High (Denial of Service/Controller Crash)]
## Remediation
### Patches
- [**TO BE FILLED** - List specific patched firmware versions released by Rockwell Automation]
### Workarounds
- [**TO BE FILLED** - Temporary mitigations, e.g., Network segmentation, disabling vulnerable services, ACLs]
## Detection
- [**TO BE FILLED** - IOCTs related to anomalous network traffic targeting the PLC management port]
- [**TO BE FILLED** - Use of network intrusion detection systems (NIDS) tuned for malformed packets against PLC protocols]
## References
- [Rockwell Automation Security Advisory URL - defanged]
- [CISA Advisory URL - defanged]
- [Kaspersky ICS CERT Publication URL - defanged (https://ics-cert.kaspersky.com/publications/)]