CVE-2019-12309 : Exploit Details and Defense Strategies
Learn about CVE-2019-12309, a path traversal vulnerability in dotCMS versions before 5.1.0 allowing unauthorized file creation. Find mitigation steps and long-term security practices here.
In versions of dotCMS prior to 5.1.0, a security flaw allows an administrator to exploit a path traversal vulnerability to generate files. This vulnerability stems from the insecure extraction of a ZIP archive.
Understanding CVE-2019-12309
This CVE identifies a path traversal vulnerability in dotCMS versions before 5.1.0 that can be abused by an administrator to create files.
What is CVE-2019-12309?
The vulnerability in dotCMS before version 5.1.0 enables an administrator to perform a path traversal attack, leading to unauthorized file creation due to the insecure handling of ZIP archives.
The Impact of CVE-2019-12309
The exploitation of this vulnerability can result in unauthorized file creation, potentially allowing attackers to manipulate files and compromise the integrity of the system.
Technical Details of CVE-2019-12309
This section delves into the technical aspects of the CVE.
Vulnerability Description
The vulnerability allows an administrator to exploit a path traversal flaw in dotCMS versions prior to 5.1.0, enabling the unauthorized creation of files through insecure ZIP archive extraction.
Affected Systems and Versions
- Product: dotCMS
- Vendor: Not applicable
- Versions affected: All versions before 5.1.0
Exploitation Mechanism
The vulnerability is exploited by manipulating the path traversal flaw in the ZIP archive extraction process, allowing an administrator to create files outside the intended directory structure.
Mitigation and Prevention
Protecting systems from CVE-2019-12309 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Upgrade dotCMS to version 5.1.0 or later to mitigate the vulnerability.
- Implement strict file handling and validation mechanisms to prevent path traversal attacks.
Long-Term Security Practices
- Regularly update and patch software to address security vulnerabilities promptly.
- Conduct security audits and penetration testing to identify and remediate potential weaknesses.
Patching and Updates
Ensure timely application of security patches and updates to mitigate known vulnerabilities and enhance system security.