Learn about CVE-2022-25302 affecting all versions of ASNeG/OpcUaStack with a DoS vulnerability, its impact, technical details, and mitigation steps.
A detailed overview of CVE-2022-25302, a vulnerability in ASNeG/OpcUaStack affecting all versions and leading to Denial of Service (DoS).
Understanding CVE-2022-25302
This section provides insights into the nature and impact of the CVE-2022-25302 vulnerability.
What is CVE-2022-25302?
All versions of the ASNeG/OpcUaStack package are susceptible to a Denial of Service (DoS) attack due to a missing handler for failed casting when unvalidated data is forwarded to the boost::get function in OpcUaNodeIdBase.h. Attackers can exploit this by sending a specially crafted OPC UA message with a uniquely encoded NodeId.
The Impact of CVE-2022-25302
The vulnerability poses a high availability impact, with a CVSS base score of 7.5. It does not affect confidentiality or integrity but can lead to a DoS condition.
Technical Details of CVE-2022-25302
Explore the technical specifics of CVE-2022-25302 to understand its implications and risks.
Vulnerability Description
The vulnerability arises from unvalidated data being processed by the boost::get function in OpcUaNodeIdBase.h, allowing for a DoS condition to be triggered by a specially encoded NodeId in an OPC UA message.
Affected Systems and Versions
ASNeG/OpcUaStack versions are impacted, with specific details mentioned in the CVE report.
Exploitation Mechanism
Exploiting the vulnerability requires sending a specifically crafted OPC UA message with a special encoded NodeId, which triggers the DoS condition.
Mitigation and Prevention
Discover the necessary steps to mitigate the risks associated with CVE-2022-25302 and prevent potential exploitation.
Immediate Steps to Take
It is recommended to apply patches or updates provided by the vendor to address the vulnerability promptly.
Long-Term Security Practices
Implementing secure coding practices and regular security audits can help reduce the risk of similar vulnerabilities in the future.
Patching and Updates
Stay informed about security updates for ASNeG/OpcUaStack to protect systems from known vulnerabilities.