CVE-2023-45924

libglxproto.c in OpenGL libglvnd bb06db5a was discovered to contain a segmentation violation via the function glXGetDrawableScreen()

Critical · published March 27, 2024

CVSS v3.1
9.8
EPSS
1%
Percentile
59.9
In the wild
Unconfirmed
What it is

🔥 A simple segmentation fault in OpenGL libglvnd could bring your graphics to a grinding halt! Imagine a hotel lobby where a fire alarm goes off unexpectedly, causing chaos and confusion — this segmentation violation in the glXGetDrawableScreen() function can disrupt operations just like that alarm, leaving your applications frantically trying to recover. An attacker could potentially leverage this flaw to crash applications relying on OpenGL, leading to frustrating downtime and data loss during critical operations. While it may seem theoretical due to the lack of common scenarios for exploitation, the implications for performance and reliability could be absolutely devastating.

Put simply

Imagine a hotel lobby where a fire alarm goes off unexpectedly, causing chaos and confusion — this segmentation violation in the glXGetDrawableScreen() function can disrupt operations just like that alarm, leaving your applications frantically trying to recover. This vulnerability arises from a segmentation violation in the libglxproto.c file within OpenGL libglvnd, specifically triggered by the glXGetDrawableScreen() function, which mishandles memory access under certain conditions.

What to do

An attacker could potentially leverage this flaw to crash applications relying on OpenGL, leading to frustrating downtime and data loss during critical operations. While it may seem theoretical due to the lack of common scenarios for exploitation, the implications for performance and reliability could be absolutely devastating. To mitigate this critical vulnerability, ensure that you're using an updated version of OpenGL libglvnd that addresses this issue. Apply patches as soon as they are released and review your server's configuration to limit exposure until then. This is fixable! Stay vigilant, update your systems, and you'll keep your graphics running smoothly! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00920 · 59.9th percentile
Published
2024-03-27T00:00Z
EPSS history
Timeline
  • 27 MAR 00:00Z
    libglxproto.c in OpenGL libglvnd bb06db5a was discovered to contain a segmentation violation via the function glXGetDrawableScreen()
    cvelistv5