CVE-2024-29756

In afe_callback of q6afe.c, there is a possible out of bounds write due to a buffer overflow

Critical · published April 5, 2024

CVSS v3.1
9.8
EPSS
0%
Percentile
22.1
In the wild
Unconfirmed
What it is

🚨 A sneaky buffer overflow could let attackers write wherever they like—an open door to privilege escalation with zero user interaction needed! 🔥 Think of it as a restaurant where a waiter can freely rearrange items in the kitchen without any checks—before you know it, the pasta is where the dessert should be! This vulnerability allows an attacker to overwrite memory, opening the door to all kinds of mischief. With this out of bounds write, an attacker could gain control over critical system privileges, allowing them to execute unauthorized commands and potentially compromise the entire system. The consequences could be absolutely devastating, leading to data loss or manipulation without any signs of forced entry.

Put simply

Think of it as a restaurant where a waiter can freely rearrange items in the kitchen without any checks—before you know it, the pasta is where the dessert should be! This vulnerability allows an attacker to overwrite memory, opening the door to all kinds of mischief. The vulnerability exists in the `afe_callback` function of `q6afe.c`, where a buffer overflow occurs. This allows an attacker to exploit memory by writing beyond the allocated space, leading to a local escalation of privileges without needing additional execution rights.

What to do

With this out of bounds write, an attacker could gain control over critical system privileges, allowing them to execute unauthorized commands and potentially compromise the entire system. The consequences could be absolutely devastating, leading to data loss or manipulation without any signs of forced entry. To safeguard against this vulnerability, update to the patched version of the software as soon as it's available. Conduct a thorough review of your memory handling procedures to prevent similar issues, and consider implementing additional controls to monitor for unauthorized privilege changes. You've got this! With the right actions, you can secure your environment and keep those sneaky attacks at bay! 🛡️

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
0.00305 · 22.1th percentile
Published
2024-04-05T20:02Z
EPSS history
Timeline
  • 05 APR 20:02Z
    In afe_callback of q6afe.c, there is a possible out of bounds write due to a buffer overflow
    cvelistv5