CVE-2017-15363 : Security Advisory and Response
Learn about CVE-2017-15363, a directory traversal vulnerability in Luracast Restler up to version 3.0.0 and the restler extension before version 1.7.1 for TYPO3, enabling remote attackers to read arbitrary files.
This CVE-2017-15363 article provides insights into a directory traversal vulnerability in Luracast Restler up to version 3.0.0 and the restler extension before version 1.7.1 for TYPO3.
Understanding CVE-2017-15363
This vulnerability allows remote attackers to read arbitrary files by manipulating the 'file' parameter in the 'getsource.php' file located in the 'public/examples/resources' directory.
What is CVE-2017-15363?
The vulnerability in Luracast Restler and the restler extension for TYPO3 allows unauthorized access to files by exploiting a directory traversal flaw.
The Impact of CVE-2017-15363
The vulnerability enables attackers to remotely access and read any files on the affected systems, potentially leading to unauthorized disclosure of sensitive information.
Technical Details of CVE-2017-15363
This section delves into the specifics of the vulnerability.
Vulnerability Description
The directory traversal vulnerability in 'getsource.php' of Luracast Restler up to 3.0.0 and restler extension before 1.7.1 for TYPO3 permits attackers to read files by manipulating the 'file' parameter.
Affected Systems and Versions
- Luracast Restler up to version 3.0.0
- Restler extension before version 1.7.1 for TYPO3
Exploitation Mechanism
Attackers exploit the vulnerability by altering the 'file' parameter in the 'getsource.php' file, allowing them to access and read files remotely.
Mitigation and Prevention
Protecting systems from this vulnerability requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply patches or updates provided by the software vendor.
- Implement proper input validation to prevent directory traversal attacks.
Long-Term Security Practices
- Regularly monitor and update software to address security vulnerabilities.
- Conduct security assessments to identify and mitigate similar issues.
Patching and Updates
Ensure that the affected software components are updated to versions that contain fixes for the directory traversal vulnerability.