CVE-2018-18912

An issue was discovered in Easy File Sharing (EFS) Web Server 7.2

published May 13, 2019

CVSS
—
EPSS
3%
Percentile
89.1
In the wild
Unconfirmed
What it is

🚨 A sneaky stack-based buffer overflow is lurking in Easy File Sharing Web Server 7.2! A simple malicious POST request can unleash chaos in your forums! ⚡ Think of it like a mischievous prankster slipping a fake guest registration into a hotel’s check-in — the front desk takes it at face value and suddenly, anyone can waltz right into a VIP room! If exploited, an attacker could execute arbitrary code on the server, potentially gaining control over it and wreaking havoc—think stolen data, unwelcome changes, or even complete server takeover! This could lead to a nightmarish scenario for any businesses relying on the server for file sharing and collaboration.

Put simply

Think of it like a mischievous prankster slipping a fake guest registration into a hotel’s check-in — the front desk takes it at face value and suddenly, anyone can waltz right into a VIP room! This vulnerability occurs when a malicious POST request is sent to the forum.ghp endpoint while creating a new topic, causing a stack overflow that can be triggered without proper validation of input sizes.

What to do

If exploited, an attacker could execute arbitrary code on the server, potentially gaining control over it and wreaking havoc—think stolen data, unwelcome changes, or even complete server takeover! This could lead to a nightmarish scenario for any businesses relying on the server for file sharing and collaboration. To safeguard your server, consider updating to the latest version of Easy File Sharing Web Server or applying any available patches. Additionally, monitor your server logs for unusual POST requests and implement strict input validation to mitigate risks. You've got this! With a little vigilance and these steps, you can keep your server safe and sound! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03497 · 89.1th percentile
Published
2019-05-13T19:05Z
EPSS history
Timeline
  • 13 MAY 19:05Z
    An issue was discovered in Easy File Sharing (EFS) Web Server 7.2
    cvelistv5