CVE-2022-23943CWE-190CWE-787

mod_sed: Read/write beyond bounds

published March 14, 2022

Patch now

High probability of exploitation

NVD has not assigned a CVSS score to this record. It sits in the 98.9th percentile for exploit probability.

CVSS
—
EPSS
50%
Percentile
98.9
In the wild
Unconfirmed
What it is

⚠️ An out-of-bounds write in Apache's mod_sed could let attackers overwrite memory like a chef tossing ingredients into a pot without checking the recipe — and that could lead to some unsavory outcomes! 🔥 Think of an out-of-bounds write as a cook who throws in extra spices without measuring — it can spoil the whole dish! In this case, the Apache HTTP Server is at risk of having its memory overwritten, potentially creating instability or unexpected behaviors. If exploited, this vulnerability could allow attackers to manipulate the server's memory, leading to crashes or even executing malicious code. While it's not actively exploited yet, the potential for chaos is absolutely there. Protecting your server from such threats is crucial!

Put simply

Think of an out-of-bounds write as a cook who throws in extra spices without measuring — it can spoil the whole dish! In this case, the Apache HTTP Server is at risk of having its memory overwritten, potentially creating instability or unexpected behaviors. This vulnerability in mod_sed allows attackers to write data outside the intended memory bounds, which can lead to corruption and unpredictable application behavior. Specifically, it affects Apache HTTP Server versions 2.4.52 and earlier.

What to do

If exploited, this vulnerability could allow attackers to manipulate the server's memory, leading to crashes or even executing malicious code. While it's not actively exploited yet, the potential for chaos is absolutely there. Protecting your server from such threats is crucial! To safeguard your systems, update your Apache HTTP Server to version 2.4.53 or later as soon as possible. Regular maintenance and patching practices are essential to keeping your server secure. Consider performing security audits to ensure all components are up to date. You've got this! With the right updates and precautions, your server can stay safe and sound! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.50401 · 98.9th percentile
Weaknesses
CWE-190 · Integer Overflow or Wraparound; CWE-787 · Out-of-bounds Write
Published
2022-03-14T10:15Z
EPSS history
Timeline
  • 14 MAR 10:15Z
    mod_sed: Read/write beyond bounds
    cvelistv5