CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
80.2%
Exploit Title: Algorithmia MSOL - Remote Code Execution
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.
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
80.2%