nayankadamm

GitHub · Repository owner · Source ID 90138104
Source profile

Source-scoped identity with 2 associated PoCs and 2 linked vulnerabilities.

Showing 2 PoCs on this page

GitHub

nayankadamm/CVE-2022-24434_POC

Repository PoC0Created 2025-09-24ScannerCVE-2022-244343 files

8.7 KiB

GitHubPoC details
Analysisdeepseek-v4-pro:cloud ·

Technical assessment

The artifact is a test suite that sends various multipart/form-data payloads to a local server to check if it crashes, verifying the fix for CVE-2022-24434. It does not exploit the vulnerability to gain unauthorized access or control; it only observes server stability.

Backdoor review

No backdoor observed in reviewed code

The supplied evidence consists of a README.md and a dicer_poc.js file. The README provides setup instructions for a proof-of-concept targeting CVE-2022-24434, a denial-of-service vulnerability in the dicer npm package. The dicer_poc.js script sends a series of HTTP POST requests with various multipart/form-data payloads to a local server to test for crashes. No backdoor, trojan, or deceptive behavior is observed. The code performs only the described vulnerability testing and contains no concealed executable behavior, persistence mechanisms, credential theft, or unrelated payloads.

ClassificationScanner
Model confidence95%
AuthenticationNot required
Languagesjavascript
Target softwaredicer
Attack typesdenial of service
Evidence & reasoningClassification basis · observed behavior · safety review
Technical evidence

Classification basis and observed behavior

Classification basis

The code sends requests and checks for server crashes (availability impact) without performing any post-exploitation actions. It is designed to validate whether a server is vulnerable, not to compromise it, which matches the definition of a scanner.

dicer_poc.js:1dicer_poc.js:4-25

Requirements

  • A vulnerable server running dicer v0.3.1 must be listening on payload withheld.dicer_poc.js:8

Observed behavior

  • Sends crafted multipart/form-data HTTP POST requests to a local server and logs whether the server crashes or remains stable.dicer_poc.js:4-25
  • Iterates through 17 test cases including unclosed parts, malformed boundaries, oversized headers, and rapid-fire requests, then reports completion.dicer_poc.js:27-139
Safety-review evidence

Behaviors behind the backdoor verdict

Observables

Network Connection
Payload withheldThe PoC script sends HTTP POST requests to a local server to trigger the CVE-2022-24434 vulnerability. This is expected behavior for a local proof-of-concept.dicer_poc.js:8
Review boundaries

What the analysis did not establish

  • The server.js file referenced in the README is not included in the evidence, so the exact server-side behavior cannot be confirmed.
  • The evidence does not include execution output, so the actual effect of the requests is unknown.
  • One file (server.js) is listed in the inventory but its content was not included in the evidence packet; its behavior is unknown.
  • Binary files were flagged as metadata-only and not analyzed, though none were identified in the artifact.
Model interpretation

This review is limited to the supplied PoC code and context. It does not assert that the code works or is safe to execute.

GitHub

nayankadamm/CVE-2023-34233_Proof_OF_Concept

Repository PoC0Created 2025-09-24ScannerCVE-2023-3423310 files

17.7 KiB

GitHubPoC details
Analysisdeepseek-v4-pro:cloud ·

Technical assessment

The artifact is a Python script that tests for CVE-2023-34233, a command injection vulnerability in the Snowflake Connector for Python's SSO browser authentication flow. It programmatically attempts connections with malicious account payloads, intercepts the generated browser URL via mocking, and inspects the URL for dangerous characters and lack of encoding. It also checks for side effects (file creation) to detect command execution, but does not deliver a working exploit payload.

Backdoor review

No backdoor observed in reviewed code

The supplied evidence consists of a Dockerfile, README, Python PoC script, and requirements file for testing CVE-2023-34233. The PoC script uses standard Python libraries (snowflake.connector, unittest.mock, webbrowser) to test command injection in the browser authentication flow by injecting payloads into the account parameter and monitoring for command execution via file creation. No concealed executable behavior, persistence, credential exfiltration, or unrelated payloads are present. The script's behavior is consistent with a legitimate vulnerability proof-of-concept.

ClassificationScanner
Model confidence95%
AuthenticationRequired
LanguagesPython
Target softwareSnowflake Connector for Python
Attack typesCommand Injection
Evidence & reasoningClassification basis · observed behavior · safety review
Technical evidence

Classification basis and observed behavior

Classification basis

The script's primary purpose is to test for the presence of CVE-2023-34233 by sending malicious inputs and observing the application's behavior (URL encoding, command execution side effects). It does not contain a payload that achieves remote code execution; it only reports whether the target appears vulnerable. This matches the definition of a scanner.

cve_2023_34233_poc.py:1-4cve_2023_34233_poc.py:52-67cve_2023_34233_poc.py:102-108

Requirements

  • Requires a valid Snowflake account and credentials configured in config.toml.README.md:8-9cve_2023_34233_poc.py:18-22
  • Requires the vulnerable Snowflake Connector for Python library (version < 3.0.2) to be installed.Dockerfile:17requirements.txt:3

Observed behavior

  • Loads Snowflake connection configuration from a local config.toml file.cve_2023_34233_poc.py:18-22
  • Iterates through a list of malicious account payloads containing shell metacharacters (;, &&, $()).cve_2023_34233_poc.py:35-40
  • Attempts a Snowflake connection with authenticator='externalbrowser' and the malicious account string, while mocking webbrowser.open to intercept the generated SSO URL.cve_2023_34233_poc.py:78-86
  • Inspects the captured browser URL for dangerous characters (;, &&, etc.) and checks for proper URL encoding; reports whether the URL appears vulnerable.cve_2023_34233_poc.py:52-67
  • Checks for a side-effect file on disk to determine if the injected command was executed by the system.cve_2023_34233_poc.py:102-108
Safety-review evidence

Behaviors behind the backdoor verdict

Observables

File Creation Test
Payload withheldThe PoC tests command injection by checking if a file is created after injecting shell metacharacters into the account parameter.cve_2023_34233_poc.py:28cve_2023_34233_poc.py:36-39cve_2023_34233_poc.py:104-108
Network Connection
Payload withheldThe script attempts to connect to a Snowflake account using browser-based SSO authentication, which is the vulnerable component described in CVE-2023-34233.cve_2023_34233_poc.py:80-86
Dependency
Payload withheldA wheel file for Snowflake Connector for Python version 2.9.0 is included and installed. This version is prior to the fixed version 3.0.2 and is expected to be vulnerable.Dockerfile:17requirements.txt:3
Review boundaries

What the analysis did not establish

  • The evidence packet does not include the contents of the payload withheld file, which is referenced as the vulnerable library.
  • The evidence packet does not include the config.toml file, which is required to run the script.
  • The README.md references CVE-2025-24793 and a cve_2025_24793_poc.py file, but the actual PoC script provided is for CVE-2023-34233, indicating a possible mismatch or incomplete artifact coverage.
  • The binary wheel file payload withheld was flagged as metadata-only and not analyzed for embedded malicious code. The review is limited to the readable text files.
  • Six additional files in the repository were omitted from the evidence packet and were not reviewed.
Model interpretation

This review is limited to the supplied PoC code and context. It does not assert that the code works or is safe to execute.