External risk intelligence

Google Chrome Network Service Vulnerability.

CVE advisoryKnown Exploit

CVE-2022-3038

A vulnerability in Chrome's network service could allow attackers to corrupt data via a crafted HTML page. This poses a risk to affected systems and data. Organizations should apply available updates to mitigate this risk.

1Halo Surface Signal

Use After Free

Google Chrome

before 105.0.5195.5237

External exposure likelihood

Halo Surface Signal score for CVE-2022-3038

This vulnerability is a client-side issue within the Google Chrome browser's network service. Exploitation requires a user to navigate to a crafted HTML page. As a client-side application running on end-user devices, it does not represent an internet-facing service, appliance, or gateway that is reachable or exposed in the common network sense.

Horizon Alert

Summary of the vulnerability and why it matters

A vulnerability exists within the network service of Google Chrome. This flaw allows a remote attacker to potentially corrupt data through a specially crafted HTML page. Such an attack could lead to the compromise of systems and data.

  • Vulnerable component: Chrome network service
  • Core weakness: Use after free
  • Main business impact: Data corruption and system compromise

Attack Path

How an attacker could exploit the issue

A remote attacker can potentially exploit heap corruption by directing a user to a malicious HTML page. This action leverages a use-after-free vulnerability within the Network Service of Google Chrome. Successful exploitation could allow an attacker to gain control over affected systems, leading to significant business risk.

  • Exposure condition: Malicious HTML page.
  • Attacker starting point: Remote.
  • Trigger and result: User visits page, leading to heap corruption.

Live Threat

Current exploitation, exposure, and threat context

The identified vulnerability presents a significant risk due to its high severity and the potential for attackers to exploit heap corruption. This could lead to widespread compromise if successful. The vulnerability is listed on the Known Exploited Vulnerabilities catalog, indicating active exploitation.

  • Attackers with low skill can exploit it.
  • Requires user interaction with a malicious page.
  • High risk; treat as urgent.

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

This vulnerability in the Google Chrome browser's network service could allow a remote attacker to exploit heap corruption by directing users to a malicious HTML page. Organizations should prioritize identifying all instances of the affected software, reducing potential exposure, and applying vendor-provided fixes. Verifying the successful implementation of these fixes and continuously monitoring for related malicious activity are crucial next steps.

  • Identify affected assets.
  • Reduce exposure or isolate risk.
  • Fix, verify, and monitor.

Frequently asked questions

What is the Network Service in Google Chrome?

The Network Service in Google Chrome is a component responsible for handling network communications, such as downloading web pages and other online content. It plays a crucial role in how the browser interacts with the internet.

What kind of weakness is CVE-2022-3038?

CVE-2022-3038 is a 'use after free' vulnerability. This means the software tries to use memory after it has been freed, which can lead to unpredictable behavior, including heap corruption and potential system compromise.

How is this CVE triggered?

This vulnerability is triggered when a user visits a specially crafted HTML page. Visiting such a page can lead to heap corruption. The bug is not triggered if the user does not interact with such a page.

Who should be concerned about this vulnerability?

Anyone using affected versions of Google Chrome should be concerned. While the vulnerability itself is client-side, meaning it requires a user to visit a malicious page, it affects the browser on end-user devices rather than an internet-facing service.

What are the first steps for responding to this threat?

The immediate steps are to identify all instances of the affected Chrome versions within your organization. Then, apply any available updates or fixes provided by Google to address the vulnerability and reduce potential exposure.

References