CVE-2017-12092 : Vulnerability Insights and Analysis
Learn about CVE-2017-12092, a file write vulnerability in Allen Bradley Micrologix 1400 Series B FRN 21.2 and earlier versions. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
A vulnerability has been identified in Allen Bradley Micrologix 1400 Series B FRN 21.2 and earlier versions that allows exploitation of a file write operation.
Understanding CVE-2017-12092
This CVE involves a file write vulnerability in the memory module feature of Allen Bradley Micrologix 1400 Series B FRN 21.2 and earlier versions.
What is CVE-2017-12092?
This vulnerability enables the creation of a new program in the memory module by triggering a file write operation through a specially crafted packet.
The Impact of CVE-2017-12092
- CVSS Base Score: 3.7 (Low)
- Attack Vector: Network
- Attack Complexity: High
- Integrity Impact: Low
- Privileges Required: None
- User Interaction: None
- Scope: Unchanged
- Confidentiality Impact: None
- Availability Impact: None
- This vulnerability can be exploited by an unauthorized individual without authentication, potentially leading to information exposure.
Technical Details of CVE-2017-12092
Vulnerability Description
The vulnerability in Allen Bradley Micrologix 1400 Series B FRN 21.2 and earlier versions allows an attacker to perform a file write operation by sending a carefully crafted packet.
Affected Systems and Versions
- Affected Product: Allen Bradley
- Vendor: Talos
- Affected Versions:
- Allen Bradley Micrologix 1400 Series B FRN 21.2
- Allen Bradley Micrologix 1400 Series B FRN 21.0
- Allen Bradley Micrologix 1400 Series B FRN 15
Exploitation Mechanism
By sending a specific packet, an attacker can trigger the file write operation, leading to the creation of a new program in the memory module.
Mitigation and Prevention
Immediate Steps to Take
- Implement network segmentation to limit access
- Apply firewall rules to restrict unauthorized packets
- Regularly monitor network traffic for suspicious activities
Long-Term Security Practices
- Keep systems up to date with the latest security patches
- Conduct regular security training for employees to raise awareness
Patching and Updates
- Apply patches provided by Allen Bradley to address the vulnerability