CVE-2021-30577 : Vulnerability Insights and Analysis

Insufficient policy enforcement in Installer in Google Chrome prior to version 92.0.4515.107 allowed a remote attacker to perform local privilege escalation via a crafted file.

Understanding CVE-2021-30577

This section will cover what CVE-2021-30577 is, its impact, technical details, and mitigation steps.

What is CVE-2021-30577?

The CVE-2021-30577 vulnerability relates to insufficient policy enforcement in the Installer in Google Chrome versions before 92.0.4515.107. This flaw could enable a remote attacker to execute a local privilege escalation attack by utilizing a specially crafted file.

The Impact of CVE-2021-30577

The impact of this vulnerability is significant as it allows a remote attacker to escalate their privileges on the affected system, potentially leading to unauthorized access and control.

Technical Details of CVE-2021-30577

In this section, we will delve into the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability stems from insufficient policy enforcement in the Installer component of Google Chrome. This flaw could be exploited by an attacker to elevate their privileges locally.

Affected Systems and Versions

Google Chrome versions prior to 92.0.4515.107 are affected by this vulnerability. Users with versions earlier than this should apply the necessary updates to mitigate the risk.

Exploitation Mechanism

The vulnerability can be exploited by a remote attacker by leveraging a specially crafted file to escalate their privileges on the target system.

Mitigation and Prevention

This section will outline the immediate steps to take for addressing the CVE-2021-30577 vulnerability, as well as long-term security practices and the importance of timely patching and updates.

Immediate Steps to Take

Users are advised to update their Google Chrome browser to version 92.0.4515.107 or newer to remediate this vulnerability. Additionally, exercise caution when downloading and opening files from untrusted sources.

Long-Term Security Practices

To enhance overall security posture, users should practice good cybersecurity habits such as regular software updates, employing robust security solutions, and staying informed about the latest threats.

Patching and Updates

Regularly check for updates from Google Chrome and apply patches promptly to ensure that known vulnerabilities are addressed and security is maintained.