External risk intelligence

Google Chrome Sandbox Escape Vulnerability

CVE advisoryKnown Exploit

CVE-2022-3075

A vulnerability in Google Chrome's Mojo component could allow a remote attacker to escape the browser's sandbox, impacting data and system confidentiality and integrity. Organizations using affected Chrome versions face business risk if users interact with malicious web pages.

1Halo Surface Signal

Google Chrome

before 105.0.5195.10237

External exposure likelihood

Halo Surface Signal score for CVE-2022-3075

This vulnerability requires a pre-existing compromise of the browser's renderer process and relies on user interaction to visit a crafted HTML page to trigger. It is a client-side execution issue within a local application rather than an internet-facing service, management interface, or network-accessible appliance.

Horizon Alert

Summary of the vulnerability and why it matters

A vulnerability in Google Chrome's Mojo component could allow an attacker to escape the browser's security sandbox. This flaw exists due to insufficient data validation. If exploited, it could lead to unauthorized access to system resources or data.

  • Vulnerable: Google Chrome Mojo component
  • Flaw: Insufficient data validation
  • Impact: Potential sandbox escape

Attack Path

How an attacker could exploit the issue

An attacker could exploit a vulnerability in Google Chrome's Mojo component by leveraging a compromised renderer process. This would involve tricking a user into visiting a specially crafted HTML page. Successful exploitation could allow the attacker to escape the browser's sandbox, potentially leading to unauthorized system access or data compromise.

  • Exposure condition: Compromised renderer process.
  • Attacker starting point: Remote.
  • Trigger and result: Malicious HTML page; sandbox escape.

Live Threat

Current exploitation, exposure, and threat context

The assessed CVE describes a critical vulnerability within Google Chrome's Mojo component. Attackers with a moderate skill level could exploit this by tricking a user into visiting a malicious webpage. Successful exploitation allows an attacker to escape the browser's sandbox, potentially leading to significant data compromise and system control. The documented presence of this CVE on a known exploited vulnerabilities list suggests a real-world threat that warrants prompt attention.

  • Likely attacker skill: Moderate.
  • Required access: User interaction with a malicious page.
  • Business risk: High; urgent remediation advised.

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

This vulnerability involves insufficient data validation in Google Chrome, potentially allowing a remote attacker to escape the browser's sandbox. This could impact the confidentiality, integrity, and availability of data and systems if an attacker successfully exploits it. The risk is associated with organizations using affected versions of Google Chrome, particularly those where users might be tricked into visiting malicious web pages.

  • Find exposed Chrome assets.
  • Reduce exposure or isolate risk.
  • Fix, verify, and monitor.

Frequently asked questions

What is the role of Mojo in Google Chrome's security architecture?

Mojo is a critical component within Google Chrome designed to facilitate secure interprocess communication, enabling different browser parts to interact effectively and safely, especially when handling web content.

What type of vulnerability does CVE-2022-3075 represent, and what does it mean?

CVE-2022-3075 is classified under CWE-20, indicating 'Improper Input Validation.' This means the software did not correctly check or process the data it received, creating an opening for the vulnerability to be exploited.

How could an attacker exploit the CVE-2022-3075 vulnerability and what is the scope of impact?

An attacker with a compromised renderer process could potentially trigger this vulnerability by presenting a specially crafted HTML page to a user. Successful exploitation could allow the attacker to escape the browser's sandbox, potentially impacting system resources and data.

What is the significance of CVE-2022-3075 being listed on the Halo Surface Signal with a 'Very unlikely' score?

Despite the critical CVSS score, Halo's 'Very unlikely' rating suggests that exploitation is challenging, requiring a prior renderer process compromise and user interaction via a malicious HTML page, making it a client-side issue rather than a network-facing one.

What are the recommended steps to address the risks associated with the CVE-2022-3075 vulnerability in Google Chrome?

Organizations should identify Google Chrome assets that use affected versions, assess and reduce their exposure, apply vendor-provided fixes, verify the remediation, and continue monitoring for any potential impact.

References