| V-2258 | High | Web client access to the content directories must be restricted to read and execute. | Excessive permissions for the anonymous web user account are one of the most common faults contributing to the compromise of a web server. If this user is able to upload and execute files on the... |
| V-2249 | High | Web server administration must be performed over a secure path or at the local console. | Logging into a web server remotely using an unencrypted protocol or service when performing updates and maintenance is a major risk. Data, such as user account, is transmitted in plaintext and... |
| V-13686 | High | Web Administrators must only use encrypted connections for Document Root directory uploads. | Logging in to a web server via an unencrypted protocol or service, to upload documents to the web site, is a risk if proper encryption is not utilized to protect the data being transmitted. An... |
| V-2227 | High | Symbolic links must not be used in the web content directory tree. | A symbolic link allows a file or a directory to be referenced using a symbolic name raising a potential hazard if symbolic linkage is made to a sensitive area.
When web scripts are executed and... |
| V-13694 | Medium | Public web servers must use TLS if authentication is required. | Transport Layer Security (TLS) is optional for a public web server. However, if authentication is being performed, then the use of the TLS protocol is required.
Without the use of TLS, the... |
| V-26279 | Medium | Error logging must be enabled. | The server error logs are invaluable because they can also be used to identify potential problems and enable proactive remediation. . Log data can reveal anomalous behavior such as “not found” or... |
| V-2270 | Medium | Anonymous FTP user access to interactive scripts is prohibited. | The directories containing the CGI scripts, such as PERL, must not be accessible to anonymous users via FTP. This applies to all directories that contain scripts that can dynamically produce web... |
| V-2254 | Medium | Only web sites that have been fully reviewed and tested must exist on a production web server. | In the case of a production web server, areas for content development and testing will not exist, as this type of content is only permissible on a development web site. The process of developing... |
| V-2252 | Medium | Log file access must be restricted to System Administrators, Web Administrators or Auditors. | A major tool in exploring the web site use, attempted use, unusual conditions, and problems are the access and error logs. In the event of a security incident, these logs can provide the SA and... |
| V-2250 | Medium | Logs of web server access and errors must be established and maintained | A major tool in exploring the web site use, attempted use, unusual conditions, and problems are reported in the access and error logs. In the event of a security incident, these logs can provide... |
| V-13687 | Medium | Remote authors or content providers must have all files scanned for viruses and malicious code before uploading files to the Document Root directory. | Remote web authors should not be able to upload files to the Document Root directory structure without virus checking and checking for malicious or mobile code. A remote web user, whose agency has... |
| V-6531 | Medium | Private web servers must require certificates issued from a DoD-authorized Certificate Authority. | Web sites requiring authentication within the DoD must utilize PKI as an authentication mechanism for web users. Information systems residing behind web servers requiring authorization based on... |
| V-13688 | Medium | Log file data must contain required data elements. | The use of log files is a critical component of the operation of the Information Systems (IS) used within the DoD, and they can provide invaluable assistance with regard to damage assessment,... |
| V-3333 | Medium | The web document (home) directory must be in a separate partition from the web server’s system files. | Application partitioning enables an additional security measure by securing user traffic under one security context, while managing system and application files under another. Web content is can... |
| V-13689 | Medium | Access to the web server log files must be restricted to administrators, web administrators, and auditors. | A major tool in exploring the web site use, attempted use, unusual conditions, and problems are the access and error logs. In the event of a security incident, these logs can provide the SA and... |
| V-2272 | Medium | PERL scripts must use the TAINT option. | PERL (Practical Extraction and Report Language) is an interpreted language optimized for scanning arbitrary text files, extracting information from those text files, and printing reports based on... |
| V-2228 | Medium | All interactive programs (CGI) must be placed in a designated directory with appropriate permissions. | CGI scripts represents one of the most common and exploitable means of compromising a web server. By definition, CGI are executable by the operating system of the host server. While access control... |
| V-2263 | Medium | A private web server will have a valid DoD server certificate. | This check verifies that DoD is a hosted web site's CA. The certificate is actually a DoD-issued server certificate used by the organization being reviewed. This is used to verify the authenticity... |
| V-2262 | Medium | A private web server must utilize an approved TLS version. | Transport Layer Security (TLS) encryption is a required security setting for a private web server. Encryption of private information is essential to ensuring data confidentiality. If private... |
| V-2260 | Medium | A web site must not contain a robots.txt file. | Search engines are constantly at work on the Internet. Search engines are augmented by agents, often referred to as spiders or bots, which endeavor to capture and catalog web-site content. In... |
| V-2226 | Medium | Web content directories must not be anonymously shared. | Sharing web content is a security risk when a web server is involved. Users accessing the share anonymously could experience privileged access to the content of such directories. Network sharable... |
| V-26280 | Medium | The sites error logs must log the correct format. | The server error logs are invaluable because they can also be used to identify potential problems and enable proactive remediation. Log data can reveal anomalous behavior such as “not found” or... |
| V-26281 | Medium | System logging must be enabled. | The server error logs are invaluable because they can also be used to identify potential problems and enable proactive remediation. Log data can reveal anomalous behavior such as “not found” or... |
| V-26282 | Medium | The LogLevel directive must be enabled. | The server error logs are invaluable because they can also be used to identify potential problems and enable proactive remediation. Log data can reveal anomalous behavior such as “not found” or... |
| V-2240 | Medium | The number of allowed simultaneous requests must be set. | Resource exhaustion can occur when an unlimited number of concurrent requests are allowed on a web site, facilitating a denial of service attack. Mitigating this kind of attack will include... |
| V-15334 | Low | Web sites must utilize ports, protocols, and services according to PPSM guidelines. | Failure to comply with DoD ports, protocols, and services (PPS) requirements can result
in compromise of enclave boundary protections and/or functionality of the AIS.
The IAM will ensure web... |
| V-2265 | Low | Java software on production web servers must be limited to class files and the JAVA virtual machine. | From the source code in a .java or a .jpp file, the Java compiler produces a binary file with an extension of .class. The .java or .jpp file would, therefore, reveal sensitive information... |
| V-6373 | Low | The required DoD banner page must be displayed to authenticated users accessing a DoD private website. | A consent banner will be in place to make prospective entrants aware that the website they are about to enter is a DoD web site and their activity is subject to monitoring. The document, DoDI... |
| V-2245 | Low | Each readable web document directory must contain either a default, home, index, or equivalent file. | The goal is to completely control the web users experience in navigating any portion of the web document root directories. Ensuring all web content directories have at least the equivalent of an... |
