Cis Apache24 3.6
DevOps & Securitycis-apache24-3.6Cis Apache24 3.6 is an Agent Skill for devops & security published in the CyberStrikeus/CyberStrike repository on GitHub: a SKILL.md instruction file an AI agent can load to do this task.
Ensure Other Write Access on Apache Directories and Files Is Restricted
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3.6 Ensure Other Write Access on Apache Directories and Files Is Restricted
Profile Applicability
- Level 1
Description
Permissions on Apache directories should generally be rwxr-xr-x (755) and file permissions should be similar except not executable unless appropriate. This applies to all of the Apache software directories and files installed with the possible exception of the web document root $APACHE_PREFIX/htdocs. The directories and files in the web document root may have a designated group with write access to allow web content to be updated. In summary, the minimum recommendation is to not allow write access by other.
Rationale
None of the Apache files and directories, including the Web document root must allow other write access. Other write access is likely to be very useful for unauthorized modification of web content, configuration files or software for malicious attacks.
Audit
Identify files or directories in the Apache directory with other write access, excluding symbolic links:
# find -L $APACHE_PREFIX \! -type l -perm /o=w -ls
Remediation
Perform the following to remove other write access on the $APACHE_PREFIX directories.
# chmod -R o-w $APACHE_PREFIX
CIS Controls
| Controls Version | Control | IG 1 | IG 2 | IG 3 |
|---|---|---|---|---|
| v8 | 3.3 Configure Data Access Control ListsConfigure data access control lists based on a user's need to know. Apply data access control lists, also known as access permissions, to local and remote file systems, databases, and applications. | ● | ● | ● |
| v7 | 14.6 Protect Information through Access Control ListsProtect all information stored on systems with file system, network share, claims, application, or database specific access control lists. These controls will enforce the principle that only authorized individuals should have access to the information based on their need to access the information as a part of their responsibilities. | ● | ● | ● |
Profile
- Level 1 | Automated