CVE-2025-22137CWE-20CWE-434

Arbitrary File Overwrite via HTTP POST in Pingvin Share

Critical · published January 8, 2025

CVSS v3.1
9.8
EPSS
1%
Percentile
48.2
In the wild
Unconfirmed
What it is

🚨 A user could overwrite critical files on a server with just an HTTP POST request! This dangerous flaw in Pingvin Share is like leaving the back door wide open for anyone to stroll in and change the locks! 🔥 Think of Pingvin Share like a restaurant kitchen; if customers could sneak a note to the chef to change the recipe for any dish, chaos would ensue. This vulnerability lets authenticated users (or anyone if anonymous shares are allowed) submit a request that can overwrite any file on the server, even the most sensitive ones! The consequences of this vulnerability are absolutely devastating! An attacker could replace essential system files, leading to data loss, unauthorized access, or even a complete server compromise. Imagine a malicious user turning a secure server into their own playground, where they could do anything they please!

Put simply

Think of Pingvin Share like a restaurant kitchen; if customers could sneak a note to the chef to change the recipe for any dish, chaos would ensue. This vulnerability lets authenticated users (or anyone if anonymous shares are allowed) submit a request that can overwrite any file on the server, even the most sensitive ones! This vulnerability allows users to overwrite arbitrary files on the server through HTTP POST requests. If anonymous sharing is enabled, even unauthenticated users can exploit this issue, making it extremely dangerous for the server's integrity.

What to do

The consequences of this vulnerability are absolutely devastating! An attacker could replace essential system files, leading to data loss, unauthorized access, or even a complete server compromise. Imagine a malicious user turning a secure server into their own playground, where they could do anything they please! Update Pingvin Share to version 1.4.0 immediately to patch this flaw. Additionally, review your share settings and disable anonymous sharing if it's enabled, to minimize potential exposure. Regularly audit your server files to catch any unauthorized changes! You've got this! By taking these steps, you can secure your file-sharing platform and keep it safe from unwanted changes! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00604 · 48.2th percentile
Weaknesses
CWE-20 · Improper Input Validation; CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2025-01-08T16:08Z
EPSS history
Timeline
  • 08 JAN 16:08Z
    Arbitrary File Overwrite via HTTP POST in Pingvin Share
    cvelistv5