CVE-2017-12713 : Security Advisory and Response
Learn about CVE-2017-12713, an incorrect permission assignment vulnerability in Advantech WebAccess versions prior to V8.2_20170817, allowing non-administrator accounts to modify critical resources.
A vulnerability in Advantech WebAccess versions prior to V8.2_20170817 has been identified, allowing non-administrator accounts to modify critical resources.
Understanding CVE-2017-12713
What is CVE-2017-12713?
An incorrect permission assignment vulnerability in Advantech WebAccess versions prior to V8.2_20170817 enables non-administrator accounts to manipulate files and folders with ACLs affecting other users.
The Impact of CVE-2017-12713
This vulnerability can lead to unauthorized modifications of critical resources, potentially compromising the integrity and confidentiality of data.
Technical Details of CVE-2017-12713
Vulnerability Description
The issue involves an incorrect assignment of permissions for critical resources, allowing non-administrator accounts to modify files and folders with ACLs affecting other users.
Affected Systems and Versions
- Product: Advantech WebAccess
- Versions affected: Advantech WebAccess
Exploitation Mechanism
Attackers with non-administrator accounts can exploit this vulnerability to modify critical files and folders, potentially impacting the security of the system.
Mitigation and Prevention
Immediate Steps to Take
- Update Advantech WebAccess to version V8.2_20170817 or later to mitigate the vulnerability.
- Restrict access to critical resources to authorized personnel only.
Long-Term Security Practices
- Regularly monitor and audit file permissions and access controls.
- Implement the principle of least privilege to limit user access to only necessary resources.
Patching and Updates
Apply security patches and updates provided by Advantech to address this vulnerability.