Ameeba Security Research

Defensive CVE and exploit intelligence

Ameeba Blog Search
TRENDING · 1 WEEK
Attack Vector
Vendor
Severity

CVE-2023-51232: Directory Traversal Vulnerability in Dagster-Webserver

Views: 185

Overview

The vulnerability, identified as CVE-2023-51232, affects the Dagster web server versions up to 1.5.11. This Directory Traversal vulnerability allows remote attackers to access sensitive information by sending a specifically crafted request to the /logs endpoint. Given its potential for system compromise or data leakage, this vulnerability is of significant concern.

Vulnerability Summary

CVE ID: CVE-2023-51232
Severity: High (7.5 CVSS Score)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: System compromise and potential data leakage

Affected Products

Ameeba Chat Icon Share secrets securely

Ameeba is private infrastructure for communication and sensitive work built on encrypted identity instead of exposed corporate identity systems.

Passwords, credentials, confidential files, screenshots, internal discussions, sensitive AI context, and private coordination should not become exposed across ordinary communication platforms.

  • • Encrypted identity
  • • Private Spaces for organizations and teams
  • • End-to-end encrypted chat, calls, files, and notes
  • • Sensitive AI work and protected collaboration
  • • Built for information that cannot leak

Our mission is to secure human work alongside AI.

Product | Affected Versions

dagster-webserver | Up to 1.5.11

How the Exploit Works

The exploit works by taking advantage of a Directory Traversal vulnerability in the Dagster web server. Attackers send a specially crafted request to the /logs endpoint of the server. This request can potentially access any file whose name begins with a dot (‘.’), potentially revealing sensitive system or user information.

Conceptual Example Code

An example of how the vulnerability might be exploited could look like this:

GET /logs/../.sensitivefile HTTP/1.1
Host: vulnerable.example.com

In the above example, the attacker sends a GET request to the /logs endpoint, using the directory traversal sequence (../) to attempt to access a file in another directory. If successful, this request could return the contents of a sensitive file (in this case, .sensitivefile).

Mitigation Guidance

To mitigate this vulnerability, users are advised to apply the vendor patch as soon as it becomes available. In the interim, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) may provide temporary protection against attempts to exploit this vulnerability.

Want to discuss this further? Join the Ameeba Cybersecurity Group Chat.

Disclaimer:

The information and code presented in this article are provided for educational and defensive cybersecurity purposes only. Any conceptual or pseudocode examples are simplified representations intended to raise awareness and promote secure development and system configuration practices.

Do not use this information to attempt unauthorized access or exploit vulnerabilities on systems that you do not own or have explicit permission to test.

Ameeba and its authors do not endorse or condone malicious behavior and are not responsible for misuse of the content. Always follow ethical hacking guidelines, responsible disclosure practices, and local laws.

More posts

Ameeba Chat