Code Security Report: 1 High Severity Findings, 1 Total Findings [main]
Introduction
In today's digital landscape, code security is a top priority for developers and organizations alike. With the increasing number of cyber threats and vulnerabilities, it's essential to stay on top of code security to prevent potential attacks and data breaches. In this report, we'll be discussing a recent code security scan that revealed a high severity finding in a Java project.
Scan Metadata
Our code security scan was conducted on 2025-03-12 04:07am and revealed a total of 1 finding. The scan tested 1 project file and detected 1 programming language, which is Java.
Latest Scan
| Metric | Value |
|---|---|
| Latest Scan | 2025-03-12 04:07am |
| Total Findings | 1 |
| New Findings | 0 |
| Resolved Findings | 0 |
| Tested Project Files | 1 |
| Detected Programming Languages | 1 (Java*) |
Finding Details
Our code security scan revealed a high severity finding in the Java project. The finding is related to Deserialization of Untrusted Data, which is a critical vulnerability that can lead to remote code execution and data breaches.
Vulnerability Type
| Severity | Vulnerability Type | CWE | File | Data Flows | Detected |
|---|---|---|---|---|---|
| High | Deserialization of Untrusted Data | CWE-502 | 0dummy.java:37 | 1 | 2025-03-12 04:07am |
Vulnerable Code
The vulnerable code is located in the 0dummy.java file, specifically in lines 32-37. The code is using a deserialization mechanism to deserialize untrusted data, which can lead to remote code execution and data breaches.
Data Flows
Secure Code Warrior Training Material
To help you address this vulnerability, we've included some training materials from Secure Code Warrior:
Training
Videos
Further Reading
- OWASP Deserialization Cheat Sheet
- OWASP Top Ten 2017 A8: Insecure Deserialization
- OWASP Deserialization of untrusted data
Introduction
In our previous article, we discussed a recent code security scan that revealed a high severity finding in a Java project. In this article, we'll be answering some frequently asked questions (FAQs) related to the finding and providing additional information to help you address the vulnerability.
Q&A
Q: What is Deserialization of Untrusted Data?
A: Deserialization of untrusted data is a critical vulnerability that occurs when an application deserializes untrusted data from an external source, such as a network connection or a file. This can lead to remote code execution and data breaches.
Q: What is the impact of Deserialization of Untrusted Data?
A: The impact of Deserialization of Untrusted Data can be severe, including:
- Remote code execution: An attacker can execute arbitrary code on the victim's system.
- Data breaches: An attacker can access sensitive data, such as passwords or credit card numbers.
- System compromise: An attacker can compromise the entire system, leading to a loss of data and functionality.
Q: How can I prevent Deserialization of Untrusted Data?
A: To prevent Deserialization of Untrusted Data, you should:
- Validate all input data: Ensure that all input data is validated and sanitized before deserialization.
- Use secure deserialization mechanisms: Use secure deserialization mechanisms, such as JSON or XML, instead of insecure ones, such as Java's
ObjectInputStream. - Avoid deserializing untrusted data: Avoid deserializing untrusted data from external sources, such as network connections or files.
Q: What are some common mistakes that lead to Deserialization of Untrusted Data?
A: Some common mistakes that lead to Deserialization of Untrusted Data include:
- Failing to validate input data: Failing to validate input data can lead to untrusted data being deserialized.
- Using insecure deserialization mechanisms: Using insecure deserialization mechanisms, such as Java's
ObjectInputStream, can lead to Deserialization of Untrusted Data. - Deserializing untrusted data: Deserializing untrusted data from external sources, such as network connections or files, can lead to Deserialization of Untrusted Data.
Q: How can I fix the vulnerability in my code?
A: To fix the vulnerability in your code, you should:
- Review your code: Review your code to identify any instances of Deserialization of Untrusted Data.
- Validate input data: Validate all input data to ensure that it is trusted and sanitized.
- Use secure deserialization mechanisms: Use secure deserialization mechanisms, such as JSON or XML, instead of insecure ones, such as Java's
ObjectInputStream. - Avoid deserializing untrusted data: Avoid deserializing untrusted data from external sources, such as network connections or files.
Q: What are some best practices for secure coding?
A: Some best practices for secure coding include:
- Validating all input data: Ensure that all input data is validated and sanitized before use.
- Using secure deserialization mechanisms: Use secure deserialization mechanisms, such as JSON or XML, instead of insecure ones, such as Java's
ObjectInputStream. - Avoiding deserialization of untrusted data: Avoid deserializing untrusted data from external sources, such as network connections or files.
- Regularly reviewing and updating code: Regularly review and update code to ensure that it is secure and up-to-date.
By following these best practices and addressing the vulnerability in your code, you can help prevent Deserialization of Untrusted Data and ensure the security of your code.