CVE-2018-8097: Code Injection in Eve Package
Summary
CVE-2018-8097: Eve allows execution of arbitrary code. Affects eve versions < 0.7.5. Fixed in 0.7.5. How to fix ↓
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Background
The Eve package, also known as pyeve, is a Python library that provides a framework for building RESTful APIs. It is commonly used for creating web applications and services. The package allows developers to define data models and endpoints, which can be accessed and manipulated through HTTP requests. However, a vulnerability has been discovered in versions prior to 0.7.5 that allows for code injection through the 'where' parameter. This parameter is used for filtering data queries and can be exploited to execute arbitrary code.
Vulnerability Detail
The vulnerability in Eve arises from improper input validation and sanitization in the 'where' parameter of the package. By injecting malicious code into this parameter, an attacker can execute arbitrary code on the server hosting the Eve application. This can lead to various consequences, including unauthorized access to sensitive data, modification or deletion of data, and even remote code execution. The vulnerability has a CVSS score of 9.8, indicating its critical severity.
How To Fix
Minimum fixed version
0.7.5
This is the first release that contains the fix.
pip install --upgrade "eve==0.7.5"Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a workaround, developers can manually validate and sanitize the 'where' parameter before using it in queries. This can be done by implementing input validation and sanitization functions that strip out any potentially malicious code or characters. Here is an example of how this can be achieved in Python:
def sanitize_where(where):
# Remove any potentially malicious code or characters
sanitized_where = where.replace('$', '')
return sanitized_where
Conclusion
In conclusion, the Eve package prior to version 0.7.5 is vulnerable to code injection through the 'where' parameter. This can result in unauthorized code execution and other security risks. To mitigate this vulnerability, it is crucial to upgrade to version 0.7.5 or later and implement proper input validation and sanitization. For further assistance and support in vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability allows for code injection, which can lead to various consequences such as unauthorized access to sensitive data, data manipulation or deletion, and remote code execution.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability. Simply provide your Pipfile.lock file, and Vulert will analyze it for any open-source vulnerabilities, including this one.
Yes, the vulnerability has been fixed in version 0.7.5 of the Eve package. It is recommended to upgrade to this version or any subsequent releases to mitigate the risk.
As mentioned earlier, developers can manually validate and sanitize the 'where' parameter to prevent code injection. Implementing input validation and sanitization functions can help strip out any potentially malicious code or characters.
The CVSS score of this vulnerability is 9.8, indicating its critical severity.
References
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