Learn about CVE-2022-31222, a low-severity vulnerability in Dell BIOS allowing a local authenticated administrator user to crash the application by consuming excess memory.
Dell BIOS versions have been found to contain a Missing Release of Resource after Effective Lifetime vulnerability that could be exploited by a local authenticated administrator user. Here's what you need to know about CVE-2022-31222.
Understanding CVE-2022-31222
This section provides an in-depth look at the vulnerability and its impact.
What is CVE-2022-31222?
CVE-2022-31222 is a vulnerability found in Dell BIOS versions that allows a local authenticated administrator user to consume excess memory, potentially causing the application to crash.
The Impact of CVE-2022-31222
The impact of this vulnerability is rated as low, with a base severity score of 2.3 out of 10. The attack complexity is low, and the privileges required are high.
Technical Details of CVE-2022-31222
In this section, we delve into the technical aspects of the vulnerability.
Vulnerability Description
The vulnerability involves a Missing Release of Resource after Effective Lifetime in Dell BIOS versions.
Affected Systems and Versions
The affected product is "CPG BIOS" by Dell, with versions less than 21Q4 platforms.
Exploitation Mechanism
A local authenticated administrator user can exploit the vulnerability by consuming excess memory to trigger a crash.
Mitigation and Prevention
Here are steps to mitigate and prevent exploitation of CVE-2022-31222.
Immediate Steps to Take
Users are advised to stay updated with Dell's security advisories and apply recommended patches promptly.
Long-Term Security Practices
Implementing strong access control measures and monitoring memory consumption can help prevent unauthorized exploits.
Patching and Updates
Regularly check for BIOS updates and apply security patches provided by Dell to address CVE-2022-31222.