CVE-2018-12045

DedeCMS through V5.7SP2 allows arbitrary file upload in dede/file_manage_control.php via a dede/file_manage_view.php?fmdo=upload request with an upfile1…

published June 8, 2018

CVSS
—
EPSS
1%
Percentile
71.3
In the wild
Unconfirmed
What it is

⚠️ An unsuspecting upload opens the door wide! This vulnerability in DedeCMS allows arbitrary file uploads through a specific request, making it surprisingly easy for attackers. 💥 Think of it like a restaurant that lets anyone walk in and drop whatever dish they want in the kitchen without checking the order. If a chef isn’t careful, it could lead to some rather unappetizing surprises! An attacker could upload a malicious PHP file and run arbitrary code on the server, leading to unauthorized access, data theft, or even a full system compromise. The aftermath could be devastating for any site relying on DedeCMS if exploited!

Put simply

Think of it like a restaurant that lets anyone walk in and drop whatever dish they want in the kitchen without checking the order. If a chef isn’t careful, it could lead to some rather unappetizing surprises! This vulnerability occurs in DedeCMS versions up to V5.7SP2, where the file upload mechanism does not properly validate the uploaded files. Specifically, the file_manage_view.php can be tricked into accepting scripts that should never see the light of day.

What to do

An attacker could upload a malicious PHP file and run arbitrary code on the server, leading to unauthorized access, data theft, or even a full system compromise. The aftermath could be devastating for any site relying on DedeCMS if exploited! To mitigate this vulnerability, update your DedeCMS to the latest version immediately. Additionally, implement strict validation rules for file uploads, ensuring that only allowed file types can be processed. Regularly audit your file management settings to prevent future risks! You’ve got this! By taking these steps, you’ll be well on your way to securing your DedeCMS installation! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01350 · 71.3th percentile
Published
2018-06-08T01:00Z
EPSS history
Timeline
  • 08 JUN 01:00Z
    DedeCMS through V5.7SP2 allows arbitrary file upload in dede/file_manage_control.php via a dede/file_manage_view.php?fmdo=upload request with an upfile1…
    cvelistv5