S3 bucket ACL allows public access to S3 bucket storing CloudTrail log files Affecting S3 service in AWS


Severity

0.0
high
0
10
    Severity Framework
    Snyk CCSS
    Rule category
    Data / Logging

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    Frameworks
    AWS-Well-Architected CIS-AWS CSA-CCM ISO-27001 NIST-800-53 PCI-DSS SOC-2
  • Snyk ID SNYK-CC-00172
  • credit Snyk Research Team

Description

Allowing public access to CloudTrail log data may aid an adversary in identifying weaknesses in the affected account's use or configuration.

How to fix?

Ensure the aws_s3_bucket acl field is not set to "public-read" or "public-read-write".

Example Configuration

resource "aws_s3_bucket" "private1" {
  acl = "private"
  # other required fields here
}