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List:       full-disclosure
Subject:    [FD] Zepl Notebook - Remote Code Execution
From:       <ghost () undervurse ! com>
Date:       2022-02-17 3:42:42
Message-ID: 20220216204242.88b681e8e47ce515952fa583de64f17a.f848712692.mailapi () email25 ! godaddy ! com
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Exploit Title: Zepl Notebook - Remote Code Execution
Date: 9/28/2021
Vendor Homepage: https://zepl.com/
Software Link: https://app.zepl.com/
Version: All previous versions of product 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-2021-42950
 1. Description
 A remote code execution vulnerability has been discovered in Zepl's Notebooks 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 organization by which additional users can \
be added for various collaboration abilities. Once this has been established, users can then \
create new Zepl Notebooks with various languages, contexts and deployment scenarios. Upon \
creating a new notebook with specially crafted malicious code, a user can then launch remote \
code execution.  This vulnerability effects all previous versions of their Notebook product \
suite.  2. Disclosure Timeline
 9/28/21 - Discovery and Exploitation
9/28/21 - Vendor Notified
2/16/22 - CVE Assignment
2/17/22 - Public Disclosure
 3. Mitigation
 Hotfix applied to vendors SAAS solution, no action is necessary at this time.

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