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Cis Apache 3.6

DevOps & Security
cis-apache-3.6

Cis Apache 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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How to use this skill

Bring this guide into your coding agent with a prompt tailored to the tool you use.

  1. Open your project in Codex.
  2. Copy and paste the prompt below.
  3. Review files and risks before approving any action.
Prompt to paste
Inspect the Agent Skill at https://github.com/CyberStrikeus/CyberStrike/blob/HEAD/.cyberstrike/skill/CIS_benchmarks/Server_Software/Apache_HTTP_Server/CIS_Apache_HTTP_Server_2.2_Benchmark_v3.6.0/cis-apache-3.6/SKILL.md and all supporting files. Report provenance, permissions, scripts, dependencies, and security risks. Propose an exact installation into .agents/skills/cis-apache-3-6, but wait for my approval before writing files or running scripts.

Copying this prompt does not install or run the skill. Review third-party files before use.

Ensure Other Write Access on Apache Directories and Files Is Restricted

Description

The permission on the Apache directories should be rwxr-xr-x (755) and the file permissions should be similar, except not executable unless appropriate. This applies to all the Apache software directories and files installed, with the possible exception in some cases that a group with write access for the Apache web document root ($APACHE_PREFIX/htdocs) may be needed to allow web content to be updated. In addition, the /bin directory and executables should be set to not be readable by other.

Rationale

None of the Apache files and directories, including the Web document root, should allow other write access. Other write access is likely to be very useful for unauthorized modification of web content, configuration files, and software.

Impact

None documented

Audit Procedure

Verify that there are no 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

Default Value

The default permissions are mostly rwxr-xr-x, except for some files which have group or other permissions that are affected by the umask of the user performing the build.

References

None documented

CIS Controls

Version 6

14.4 Protect Information With Access Control Lists

All information stored on systems shall be protected 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.

Version 7

14.6 Protect Information through Access Control Lists

Protect 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 | Scored