CVE-2023-21066

In cd_CodeMsg of cd_codec.c, there is a possible out of bounds write due to a heap buffer overflow

published June 28, 2023

CVSS
—
EPSS
1%
Percentile
42.6
In the wild
Unconfirmed
What it is

🚨 An out-of-bounds write vulnerability in the Android kernel could let attackers run their code without any user interaction—it's like a sneaky thief slipping through an unguarded back door! 🔥 Think of it like a chef mistakenly adding too much spice to a dish—everything overflows and creates a mess. In this case, the 'spice' is data that can overwrite important areas in memory, potentially leading to disastrous results. An attacker could exploit this flaw to execute arbitrary code on an affected device. This means they could take complete control, accessing data and resources without anyone being the wiser—absolutely devastating!

Put simply

Think of it like a chef mistakenly adding too much spice to a dish—everything overflows and creates a mess. In this case, the 'spice' is data that can overwrite important areas in memory, potentially leading to disastrous results. In the cd_CodeMsg function located in cd_codec.c, a heap buffer overflow allows for an out-of-bounds write, which can be manipulated by an attacker to execute arbitrary code remotely, without needing additional privileges.

What to do

An attacker could exploit this flaw to execute arbitrary code on an affected device. This means they could take complete control, accessing data and resources without anyone being the wiser—absolutely devastating! While no known exploits are active yet, it's vital to patch this vulnerability in the Android kernel as soon as a fix is available. Stay tuned for updates from your device manufacturer and ensure your devices are always running the latest software. You've got this! Stay vigilant and keep your devices secure! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00510 · 42.6th percentile
Published
2023-06-28T00:00Z
EPSS history
Timeline
  • 28 JUN 00:00Z
    In cd_CodeMsg of cd_codec.c, there is a possible out of bounds write due to a heap buffer overflow
    cvelistv5