Google Chrome is one of the most popular web browsers in the world, but it's also a prime target for hackers and cybercriminals looking to exploit vulnerabilities. One such vulnerability is CVE-2022-1492, an insufficient data validation issue in Blink Editing that could enable potential attackers to inject malicious scripts or HTML into vulnerable Chrome versions. As Chrome users, it's essential to understand the risks associated with this vulnerability, know what can be done to mitigate it, and stay informed on any updates related to the issue.

In this long read, we'll discuss the details of CVE-2022-1492, provide code snippets, link to original references, and explore the potential exploit methods that a hacker could use to take advantage of this vulnerability.

Blink Editing refers to the editing engine used by the Blink rendering engine within the Google Chrome browser. Blink is responsible for translating HTML, CSS, and JavaScript code into what you visually see in a webpage. Blink Editing handles the ability to edit content on editable pages, such as when you enter text in a form or content-editable HTML elements.

Vulnerability Details (CVE-2022-1492)

In Google Chrome versions prior to 101..4951.41, there exists a vulnerability due to an insufficient data validation within the Blink Editing engine. This flaw could allow a remote attacker to inject arbitrary scripts or HTML via a specifically crafted HTML page. When a user visits the malicious page, the injected code can be executed in the context of the victim's browser, potentially leading to unauthorized access and data theft.

Here's an example of a potential code snippet that an attacker could deploy

<!DOCTYPE html>
    <title>CVE-2022-1492 Exploit</title>
    <div contenteditable="true">
      <!-- Malicious script injection -->
      <script>/* Attacker's malicious JavaScript code here */</script>

In the example above, a malicious script is injected into a content-editable HTML element. When triggered, the script could execute malicious actions within the victim's browser.

1. Google Chrome Release Note:
2. Chromium Bug Tracker:
3. CVE Details:
4. NIST National Vulnerability Database (NVD):

Potential attackers aiming to exploit this vulnerability would generally follow these steps

1. Craft a malicious HTML page with embedded scripts or HTML that leverage the insufficient data validation issue in Blink Editing.
2. Trick the victim into visiting the malicious page, possibly through a phishing email, online advertisement, or social engineering.
3. Once the victim engages with the malicious content (e.g., by typing or interacting with the content-editable elements), the attacker can then gain unauthorized access, steal data, or perform any number of malicious actions within the context of the victim's browser.

Conclusion: Protection and Mitigation

To protect yourself from the CVE-2022-1492 vulnerability, it's crucial to update your Google Chrome browser to version 101..4951.41 or later. This particular version addresses the issue by properly validating data within the Blink Editing engine. Regularly updating your browser and other software can help reduce the risks associated with software vulnerabilities in general. In addition to keeping your software updated, practicing safe browsing habits—such as avoiding suspicious links and unknown websites—can further defend against potential exploitation of this and other vulnerabilities.


Published on: 07/26/2022 22:15:00 UTC
Last modified on: 08/15/2022 11:16:00 UTC