CVE-2021-38621

The remove API in v1/controller/cloudStorage/alibabaCloud/remove/index.ts in netless Agora Flat Server before 2021-07-30 mishandles file ownership

published August 13, 2021

CVSS
—
EPSS
1%
Percentile
62.0
In the wild
Unconfirmed
What it is

⚠️ A misstep in file ownership could lead to some unintended deletions! The remove API in the Netless Agora Flat Server has some quirks that might catch you off guard. 🔍 Think of it like a library where anyone can take a book off the shelf without checking if they actually own it. If someone claims a book but never checked it out, it could disappear without a trace! 📚 This mishandling means that users might delete files they shouldn't be able to touch, potentially leading to data loss and chaos in your cloud storage environment. Imagine vital documents just vanishing because of a trust issue—definitely not a scenario you want to find yourself in! 😱

Put simply

Think of it like a library where anyone can take a book off the shelf without checking if they actually own it. If someone claims a book but never checked it out, it could disappear without a trace! 📚 The vulnerability resides in the remove API, where it incorrectly handles file ownership, allowing unauthorized deletion of files by users who shouldn't have those permissions. This can result in unintended data loss within the Agora Flat Server environment.

What to do

This mishandling means that users might delete files they shouldn't be able to touch, potentially leading to data loss and chaos in your cloud storage environment. Imagine vital documents just vanishing because of a trust issue—definitely not a scenario you want to find yourself in! 😱 To address this, ensure you update your Agora Flat Server to the latest version released after July 30, 2021, which should have the necessary fixes. Additionally, audit your file ownership settings to prevent unauthorized access. 🔒 You've got this! With these steps, you'll reinforce your defenses and keep your files safe. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00986 · 62.0th percentile
Published
2021-08-13T14:05Z
EPSS history
Timeline
  • 13 AUG 14:05Z
    The remove API in v1/controller/cloudStorage/alibabaCloud/remove/index.ts in netless Agora Flat Server before 2021-07-30 mishandles file ownership
    cvelistv5