CVE-2018-9059

Stack-based buffer overflow in Easy File Sharing (EFS) Web Server 7.2 allows remote attackers to execute arbitrary code via a malicious login request to…

published April 20, 2018

Patch now

High probability of exploitation

NVD has not assigned a CVSS score to this record. It sits in the 99.6th percentile for exploit probability.

CVSS
—
EPSS
77%
Percentile
99.6
In the wild
Unconfirmed
What it is

⚠️ A sneaky stack-based overflow lurks in Easy File Sharing (EFS) Web Server 7.2! A remote attacker could craft a malicious login request and make the server dance to their tune. 🎭 Think of this like a crowded restaurant where someone can slip a fake reservation under the door, getting a prime table while the staff remains blissfully unaware. If they don’t check the names carefully, chaos can ensue! An attacker exploiting this vulnerability could potentially execute arbitrary code on the server, leading to unauthorized access, data theft, or even complete system compromise. This could be absolutely devastating for your web services, as it opens the door wide for malicious activities!

Put simply

Think of this like a crowded restaurant where someone can slip a fake reservation under the door, getting a prime table while the staff remains blissfully unaware. If they don’t check the names carefully, chaos can ensue! This vulnerability arises from a stack-based buffer overflow, allowing attackers to send specially crafted requests that can overwrite the stack memory of the application, leading to arbitrary code execution.

What to do

An attacker exploiting this vulnerability could potentially execute arbitrary code on the server, leading to unauthorized access, data theft, or even complete system compromise. This could be absolutely devastating for your web services, as it opens the door wide for malicious activities! First, ensure you’re using a patched version of the EFS Web Server. If you're running 7.2, consider upgrading or disabling any unnecessary features that expose the login endpoint. Regularly review your server logs to catch any suspicious activities early! You’ve got this! Stay proactive with your security measures and keep your systems safe. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.77295 · 99.6th percentile
Published
2018-04-20T21:00Z
EPSS history
Timeline
  • 20 APR 21:00Z
    Stack-based buffer overflow in Easy File Sharing (EFS) Web Server 7.2 allows remote attackers to execute arbitrary code via a malicious login request to…
    cvelistv5