[FD] Algorithmia MSOL - Remote Code Execution

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Exploit Title: Algorithmia MSOL - Remote Code Execution
Date: 9/28/2021
Vendor Homepage: https://algorithmia.com/
Software Link: https://algorithmia.com/product
Version: Affects all versions of the product up to the date of this submission
Tested on: The issue affects all versions of the product up to the date of this 
submission
Exploit Authors: Josh Sheppard & Pathfynder Inc
Exploit Contact: ghost a t undervurse dot_com & josh a t pathfynder dot_io
Exploit Technique: Remote
CVE ID: CVE-2021-42951
 1. Description
A remote code execution vulnerability has been discovered in Algorithmia MSOL 
product. Users can register for an account and are allocated a set number of 
credits to try the product. Once users authenticate, they can proceed to create 
a new, specially crafted Algorithm and subsequently launch remote code 
execution with their desired result. This vulnerability effects all of their 
current Algorithm source languages including:
 - python 2.x, 3.x
- c# code 2.x
- scala 2.x
- rust
 The issue affects all versions of the product up to the date of this 
submission.
 2. Disclosure Timeline
9/28/21 - Discovery and Exploitation
9/28/21 - Vendor Notified
2/16/22 - CVE Assigned
2/17/22 - Public Disclosure
 3. Mitigation
Hotfix applied to vendors SAAS solution, no action is necessary at this time 
however, vendor may recommend users upgrade current Algorithms.

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