CVE-2023-40492CWE-22

LG Simple Editor deleteCheckSession Directory Traversal Arbitrary File Deletion Vulnerability

High · published May 3, 2024

Patch now

High probability of exploitation

CVSS calls it high at 8.2. It sits in the 99.7th percentile for exploit probability.

CVSS v3.0
8.2
EPSS
83%
Percentile
99.7
In the wild
Unconfirmed
What it is

🚨 A simple method call can lead to serious problems! This CVE-2023-40492 vulnerability in LG Simple Editor allows attackers to delete any file without breaking a sweat! 🔥 Think of it as a cleaning service that throws away files just because someone wrote a note saying ‘get rid of this’—no questions asked. It's like having a dumpster at your office open to anyone who walks by! This vulnerability is absolutely devastating! An attacker could exploit this flaw to delete critical files on the server, potentially bringing down services or losing important data. With no authentication needed, it’s an open invitation for chaos!

Put simply

Think of it as a cleaning service that throws away files just because someone wrote a note saying ‘get rid of this’—no questions asked. It's like having a dumpster at your office open to anyone who walks by! The flaw resides in the deleteCheckSession method due to inadequate validation of user-supplied paths before executing file operations. This means attackers can craft a path to delete files on the server as if they were the SYSTEM account.

What to do

This vulnerability is absolutely devastating! An attacker could exploit this flaw to delete critical files on the server, potentially bringing down services or losing important data. With no authentication needed, it’s an open invitation for chaos! To protect yourself, immediately patch LG Simple Editor to the latest version that addresses this vulnerability. Implement strict input validation to check user-supplied paths before any file operations, and consider limiting file operations to a specific set of directories. You've got this! With these steps, you'll be on your way to securing your setup in no time! 🛡️

The record
Technical detail
CVSS v3.0
8.2 · HIGH
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
CVSS v4.0
Not supplied
EPSS
0.83142 · 99.7th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2024-05-03T02:11Z
EPSS history
Timeline
  • 03 MAY 02:11Z
    LG Simple Editor deleteCheckSession Directory Traversal Arbitrary File Deletion Vulnerability
    cvelistv5