CWE-530

Exposure of Backup File to an Unauthorized Control Sphere
AI Translation Available

A backup file is stored in a directory or archive that is made accessible to unauthorized actors.

Status
incomplete
Abstraction
variant
Not Technology-Specific Web Server

Often, older backup 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.

Common Consequences

confidentiality
Impacts
read application data

Detection Methods

automated static analysis

Potential Mitigations

Phases:
policy
Descriptions:
• Recommendations include implementing a security policy within your organization that prohibits backing up web application source code in the webroot.