CVE-2020-35749 : Exploit Details and Defense Strategies
Learn about CVE-2020-35749, a directory traversal vulnerability in the Simple Board Job plugin for WordPress, allowing remote attackers to read arbitrary files. Find mitigation steps and long-term security practices here.
A directory traversal vulnerability in the Simple Board Job plugin for WordPress could allow remote attackers to read arbitrary files.
Understanding CVE-2020-35749
This CVE involves a security issue in the Simple Board Job plugin for WordPress that could be exploited by attackers to access unauthorized files.
What is CVE-2020-35749?
The vulnerability in class-simple_job_board_resume_download_handler.php in the Simple Board Job plugin 2.9.3 and earlier for WordPress enables attackers to read arbitrary files by manipulating the sjb_file parameter in wp-admin/post.php.
The Impact of CVE-2020-35749
This vulnerability poses a risk of unauthorized access to sensitive files on affected WordPress websites, potentially leading to data breaches or further exploitation.
Technical Details of CVE-2020-35749
The technical aspects of this CVE provide insight into the vulnerability's nature and its potential impact.
Vulnerability Description
The directory traversal vulnerability in the Simple Board Job plugin for WordPress allows attackers to bypass file access restrictions and read files outside the intended directory structure.
Affected Systems and Versions
- Product: Simple Board Job plugin
- Versions affected: 2.9.3 and earlier
Exploitation Mechanism
Attackers exploit the sjb_file parameter in wp-admin/post.php to traverse directories and access files that should be restricted, potentially leading to unauthorized data disclosure.
Mitigation and Prevention
Protecting systems from CVE-2020-35749 requires immediate actions and long-term security measures.
Immediate Steps to Take
- Disable or remove the vulnerable Simple Board Job plugin from affected WordPress installations.
- Monitor for any unauthorized access or file manipulation activities.
Long-Term Security Practices
- Regularly update and patch all plugins and themes in WordPress to prevent known vulnerabilities.
- Implement access controls and file permissions to restrict unauthorized file access.
Patching and Updates
- Check for security patches or updated versions of the Simple Board Job plugin to address the directory traversal vulnerability and apply them promptly.