CVE-2017-12181CWE-391

xorg-x11-server before 1.19.5 was missing length validation in XFree86 DGA extension allowing malicious X client to cause X server to crash or possibly execute…

published January 24, 2018

CVSS
—
EPSS
4%
Percentile
91.0
In the wild
Unconfirmed
What it is

⚠️ A slip in length validation could let a crafty X client bring your X server to its knees! 😱 Think of it like a restaurant kitchen that runs out of space and starts mixing up orders when customers don't specify how much they want—too much or too little can lead to chaos! An attacker could exploit this flaw to crash the X server, leading to a denial of service, and in a worst-case scenario, potentially execute arbitrary code. This could compromise system integrity, leaving you in a tough spot!

Put simply

Think of it like a restaurant kitchen that runs out of space and starts mixing up orders when customers don't specify how much they want—too much or too little can lead to chaos! This vulnerability in the XFree86 DGA extension of the xorg-x11-server prior to version 1.19.5 allows for inadequate length validation, making it possible for X clients to send malformed requests that may crash the server or execute malicious code.

What to do

An attacker could exploit this flaw to crash the X server, leading to a denial of service, and in a worst-case scenario, potentially execute arbitrary code. This could compromise system integrity, leaving you in a tough spot! To safeguard your systems, upgrade to xorg-x11-server version 1.19.5 or later. It's vital to regularly patch your software and monitor for updates to avoid similar pitfalls in the future. You’ve got this! By taking these steps, you’ll keep your systems running smoothly and securely! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.04233 · 91.0th percentile
Weakness
CWE-391 · Unchecked Error Condition
Published
2018-01-24T15:00Z
EPSS history
Timeline
  • 24 JAN 15:00Z
    xorg-x11-server before 1.19.5 was missing length validation in XFree86 DGA extension allowing malicious X client to cause X server to crash or possibly execute…
    cvelistv5