CVE-2021-1976

A use after free can occur due to improper validation of P2P device address in PD Request frame in Snapdragon Auto, Snapdragon Compute, Snapdragon…

Critical · published September 17, 2021

CVSS v3.1
9.8
EPSS
1%
Percentile
56.0
In the wild
Unconfirmed
What it is

🔥 A sneaky use-after-free vulnerability in Snapdragon components could give attackers access to critical resources! Think of it like a delivery driver getting access to a restricted area because the security system mistakenly lets them through without checking their ID. If the system doesn't validate addresses properly, any malicious actor could slip right in! The implications of this flaw are absolutely devastating! An attacker could exploit this vulnerability to manipulate memory, potentially leading to unauthorized access, data breaches, or even remote code execution on devices using Snapdragon technology. This could affect not just individual consumers, but also industrial and automotive systems, putting sensitive operations at risk!

Put simply

Think of it like a delivery driver getting access to a restricted area because the security system mistakenly lets them through without checking their ID. If the system doesn't validate addresses properly, any malicious actor could slip right in! This CVE allows for a use-after-free condition due to insufficient validation of P2P device addresses in the PD Request frame across multiple Snapdragon platforms, risking memory corruption.

What to do

The implications of this flaw are absolutely devastating! An attacker could exploit this vulnerability to manipulate memory, potentially leading to unauthorized access, data breaches, or even remote code execution on devices using Snapdragon technology. This could affect not just individual consumers, but also industrial and automotive systems, putting sensitive operations at risk! Patch to the latest Snapdragon firmware version released after the flaw was identified. Ensure that your development teams are aware of this vulnerability and implement additional validation checks for P2P device addresses. Regularly audit your devices to confirm they are running secure software versions. You've got this! By staying proactive and updating your systems, you'll keep those vulnerabilities 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
0.00796 · 56.0th percentile
Published
2021-09-17T07:05Z
EPSS history
Timeline
  • 17 SEP 07:05Z
    A use after free can occur due to improper validation of P2P device address in PD Request frame in Snapdragon Auto, Snapdragon Compute, Snapdragon…
    cvelistv5