CVE-2022-31553

The rainsoupah/sleep-learner repository through 2021-02-21 on GitHub allows absolute path traversal because the Flask send_file function is used unsafely

published July 11, 2022

CVSS
—
EPSS
1%
Percentile
71.0
In the wild
Unconfirmed
What it is

⚠️ A sneaky path traversal flaw could let an attacker access files on your server! 🗂️ This is due to the unsafe use of the Flask send_file function in the rainsoupah/sleep-learner repository. Think of it like a delivery driver who blindly follows a poorly written address, leading them to drop packages in the wrong place—here, the wrong files could be delivered straight to the attacker! 📦 If exploited, an attacker could read sensitive files on your server, potentially gaining access to critical data or configuration settings. This could lead to unauthorized actions or data exposure, tall orders for any security system!

Put simply

Think of it like a delivery driver who blindly follows a poorly written address, leading them to drop packages in the wrong place—here, the wrong files could be delivered straight to the attacker! 📦 This vulnerability arises from the unsafe implementation of the Flask send_file function, which allows attackers to manipulate file paths and access unintended files on the server.

What to do

If exploited, an attacker could read sensitive files on your server, potentially gaining access to critical data or configuration settings. This could lead to unauthorized actions or data exposure, tall orders for any security system! To mitigate this issue, ensure that you validate and sanitize file paths before passing them to the send_file function. Additionally, consider upgrading to a patched version if available and conduct a thorough audit of your file serving logic. You've got this! Fixing this vulnerability will keep your server safe and sound. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01337 · 71.0th percentile
Published
2022-07-11T00:59Z
EPSS history
Timeline
  • 11 JUL 00:59Z
    The rainsoupah/sleep-learner repository through 2021-02-21 on GitHub allows absolute path traversal because the Flask send_file function is used unsafely
    cvelistv5