CVE-2022-0247 : Vulnerability Insights and Analysis
Learn about CVE-2022-0247 impacting Fuchsia by Google LLC. Explore the high-severity vulnerability allowing local attackers to modify VMO data, its impact, and mitigation steps.
Fuchsia, a product by Google LLC, is impacted by a vulnerability that allows local attackers to modify VMO data through copy-on-write snapshots. Upgrading past a specific commit is recommended.
Understanding CVE-2022-0247
This CVE highlights an issue in Fuchsia where unauthorized modification of VMO data is possible, posing a high severity risk.
What is CVE-2022-0247?
An issue in Fuchsia allows local attackers to alter VMO data through copy-on-write snapshots, potentially compromising confidentiality and integrity.
The Impact of CVE-2022-0247
The vulnerability's high severity level stems from the potential for unauthorized modification of data within the VMO, leading to confidentiality and integrity breaches.
Technical Details of CVE-2022-0247
This section delves into the specifics of the vulnerability, including affected systems, the exploitation mechanism, and versions at risk.
Vulnerability Description
Access to copy-on-write snapshots enables attackers to modify VMO data, breaching data integrity and confidentiality, despite lacking proper permissions.
Affected Systems and Versions
Fuchsia versions below 4.1 are impacted by this vulnerability, exposing them to unauthorized data modifications through VMO.
Exploitation Mechanism
Local attackers can exploit this vulnerability by leveraging the inherent access provided by copy-on-write functionality to make unauthorized changes to VMO data.
Mitigation and Prevention
Discover the immediate and long-term steps to enhance security posture and safeguard systems against CVE-2022-0247.
Immediate Steps to Take
It is crucial to upgrade Fuchsia past commit d97c05d2301799ed585620a9c5c739d36e7b5d3d or any later versions to mitigate the risk posed by this vulnerability.
Long-Term Security Practices
Implementing robust permission controls, regular security updates, and threat monitoring can fortify systems against potential exploits targeting VMO data.
Patching and Updates
Regularly applying security patches and staying informed about vulnerability disclosures within Fuchsia are essential to maintain a secure environment.