Chrome: sandbox escape in Mojo (CVE-2025-2783) #shorts

Summary

In today's podcast, we are discussing a newly discovered critical security vulnerability identified as CVE-2025-2783. This vulnerability affects Google Chrome and has been actively exploited in the wild, prompting urgent action from both Google and cybersecurity experts. A zero-day flaw in Chrome's Mojo component could enable attackers to escape sandbox protections and execute remote code.

Product details

The vulnerability affects Google Chrome on Windows, specifically versions prior to 134.0.6998.177. Google has quickly responded to this discovery by releasing a Stable Channel Update to versions 134.0.6998.177 and 134.0.6998.178 to address the issue.

Vulnerability type summary

The vulnerability is categorized under incorrect handle provision in unspecified circumstances. It exploits the Mojo component within Google Chrome, allowing an attacker to bypass client-side security features, such as sandboxing, potentially leading to remote code execution.

Details of the vulnerability

CVE-2025-2783 was announced after experts from Kaspersky identified it being exploited in an attack labeled Operation ForumTroll, attributed to a state-sponsored APT group. The flaw allows a remote attacker to use crafted files to escape Chrome's sandbox environment and execute code on the targeted system. Due to its severity and active exploitation status, Google has swiftly released a patch in the latest Chrome update.

Conclusion

Given the high severity of CVE-2025-2783 and the fact it has been used in real-world attacks, it is imperative for all users of Chrome on Windows systems to update their browsers immediately to the latest version, 134.0.6998.177 or later. This serves as a reminder of the critical importance of regular software updates and vigilance against potential state-sponsored threats in the cybersecurity landscape.

Watch the full video on YouTube: CVE-2025-2783

Remediation and exploitation details

This chain involves the following actors

This following systems are involved

Attack entry point

Remediation actions

Exploitation actions

Related Content

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CVE database technical details

CVE ID
CVE-2025-2783
Description
Incorrect handle provided in unspecified circumstances in Mojo in Google Chrome on Windows prior to 134.0.6998.177 allowed a remote attacker to perform a sandbox escape via a malicious file. (Chromium security severity: High)
Provider
Chrome
CWE / problem types
Incorrect handle provided in unspecified circumstances
Affected Software Versions
Google:Chrome:[{'version': '134.0.6998.177', 'status': 'affected', 'lessThan': '134.0.6998.177', 'versionType': 'custom'}]
Date Published
2025-03-26T16:07:51.034Z
Last Updated
2025-03-28T03:55:51.833Z