CWE-530: Exposure of Backup File to an Unauthorized Control Sphere
Exposure of Backup File to an Unauthorized Control Sphere
Weakness ID: 530 (Weakness Variant)
Status: Incomplete
Description
Description Summary
A backup file is stored in a directory that is accessible to actors outside of the intended control sphere.
Extended Description
Often, old files are renamed with an extension such as .~bk to distinguish them from production files. The source code for old files that have been renamed in this manner and left in the webroot can often be retrieved. This renaming may have been performed automatically by the web server, or manually by the administrator.
Time of Introduction
Implementation
Operation
Common Consequences
Scope
Effect
Confidentiality
Technical Impact: Read application
data
At a minimum, an attacker who retrieves this file would have all the
information contained in it, whether that be database calls, the format
of parameters accepted by the application, or simply information
regarding the architectural structure of your site.
Potential Mitigations
Recommendations include implementing a security policy within your
organization that prohibits backing up web application source code in
the webroot.