CVE-2017-6905 : What You Need to Know
Discover the security flaw in CVE-2017-6905 affecting concrete5 <= 5.6.3.4. Learn about the impact, technical details, and mitigation steps to secure vulnerable systems.
A security flaw has been found in concrete5 <= 5.6.3.4, allowing unauthorized individuals to execute arbitrary HTML and script code within the scope of the vulnerable website.
Understanding CVE-2017-6905
What is CVE-2017-6905?
The vulnerability in concrete5 <= 5.6.3.4 results from inadequate filtering of user-provided data transmitted to a specific URL, enabling the execution of arbitrary code.
The Impact of CVE-2017-6905
The vulnerability could be exploited by attackers to run malicious code in a web browser, posing a risk to the security and integrity of the affected website.
Technical Details of CVE-2017-6905
Vulnerability Description
The flaw in concrete5 <= 5.6.3.4 arises from insufficient filtration of user-supplied data passed to a specific URL, potentially allowing attackers to execute arbitrary HTML and script code.
Affected Systems and Versions
- Product: concrete5
- Vendor: Not applicable
- Versions: <= 5.6.3.4
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating user-provided data (disable_choose) transmitted to the vulnerable URL, enabling the execution of arbitrary code.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches or updates provided by concrete5 to address the vulnerability.
- Implement input validation and output encoding to mitigate the risk of code injection attacks.
Long-Term Security Practices
- Regularly monitor and update the concrete5 installation to ensure the latest security fixes are in place.
- Educate users on safe browsing practices and the importance of avoiding suspicious links or downloads.
Patching and Updates
It is crucial to promptly apply patches and updates released by concrete5 to remediate the vulnerability and enhance the security of the affected systems.