Jan 7, 2019 · Recently I came across S3 Bucket Misconfiguration vulnerability on one of the private program. I saw many write-ups on how to exploit it but none of them was from Basics.

You can control which VPCs or VPC endpoints have access to your S3 buckets by using S3 bucket policies. You can help prevent data exfiltration by using a VPC that does not have an internet gateway.

Dec 18, 2023 · Public S3 buckets can expose sensitive data and potentially put multiple services at risk. For example, EC2 instances and RDS databases may be compromised if their access keys, credentials, or backup files are stored in an insecure S3 bucket.

Feb 4, 2025 · Researchers at WatchTowr Labs have uncovered a critical security vulnerability in abandoned Amazon Web Services (AWS) S3 buckets that could enable attackers to hijack the global software supply chain.

The following security best practices also address configuration and vulnerability analysis in Amazon S3: Identify and audit all your Amazon S3 buckets Enable AWS Config

Jul 29, 2024 · CVE-2024–28823 affects the AWS JavaScript S3 Explorer (aws-js-s3-explorer) version 1.0.0, allowing for Cross-Site Scripting (XSS) via a crafted S3 bucket name in index.html. This...

Based on the permissions granted to the adversary-controlled S3 bucket, the approach could be used to escalate to trigger a DoS condition, or execute code, manipulate or steal data, and even gain full control over the victim account without the user's knowledge.

Sep 27, 2023 · This is a security vulnerability that occurs when a threat actor gains control over a domain or subdomain that they do not own. In AWS S3 context, domain takeover specifically refers to a scenario when a threat actor takes control of a domain that is supposed to point to an S3 bucket but is misconfigured, deleted, or left unclaimed.

Aug 8, 2024 · Researchers have found a new way to attack AWS services or third-party projects that automatically provision AWS S3 storage buckets. Dubbed Shadow Resource, the new attack vector can result...

Jun 18, 2020 · Vulnerability #3: Non-public S3 buckets that contain public objects. The first thing people usually think of when it comes to S3 security is whether or not public access is blocked or allowed for a given S3 bucket. You might assume that if you’re hosting sensitive information in an S3 bucket that you’d make sure public access is turned off ...