CVE-2018-16367 : Vulnerability Insights and Analysis
Learn about CVE-2018-16367 affecting OnlineJudge 2.0, allowing unauthorized file writing and potential data access. Find mitigation steps and long-term security practices here.
OnlineJudge 2.0 has an access control vulnerability in its sandbox feature, allowing unauthorized file writing and potential data access.
Understanding CVE-2018-16367
OnlineJudge 2.0 is susceptible to an access control vulnerability that enables attackers to write files in unauthorized locations, potentially compromising sensitive data.
What is CVE-2018-16367?
The vulnerability in the sandbox feature of OnlineJudge 2.0 allows malicious actors to create a directory listing in the /tmp directory and potentially access file data using #include.
The Impact of CVE-2018-16367
This vulnerability can lead to unauthorized file writing and potential data leakage, posing a significant risk to the confidentiality and integrity of sensitive information.
Technical Details of CVE-2018-16367
OnlineJudge 2.0's security flaw has the following technical aspects:
Vulnerability Description
The incorrect access control in the sandbox feature of OnlineJudge 2.0 allows users to write files anywhere, potentially leading to unauthorized data access.
Affected Systems and Versions
- Product: OnlineJudge 2.0
- Vendor: N/A
- Version: N/A
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating the sandbox feature to write files in unauthorized locations, such as the /tmp directory, and potentially access sensitive data using #include.
Mitigation and Prevention
To address CVE-2018-16367, consider the following mitigation strategies:
Immediate Steps to Take
- Disable the sandbox feature in OnlineJudge 2.0 if not essential for operations.
- Regularly monitor file activities in critical directories to detect unauthorized access.
- Implement strict file write permissions to prevent unauthorized modifications.
Long-Term Security Practices
- Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
- Educate users on secure coding practices and the importance of access control.
Patching and Updates
- Apply patches or updates provided by the vendor to fix the access control vulnerability in OnlineJudge 2.0.