CVE-2022-1870: 
vulnerability analysis and mitigation

CVE-2022-1870 is a Use-after-free vulnerability discovered in the App Service component of Google Chrome versions prior to 102.0.5005.61. The vulnerability was reported by Nan Wang(@eternalsakura13) and Guang Gong of 360 Alpha Lab on May 6, 2022, and was patched in the Chrome stable channel update released on May 24, 2022 (Chrome Release).

The vulnerability is classified as a medium severity issue with a CVSS 3.1 base score of 8.8 (High). The vulnerability allows an attacker to potentially exploit heap corruption through a crafted Chrome Extension, specifically targeting the App Service component. The attack requires network access and user interaction but no special privileges, with the potential to impact confidentiality, integrity, and availability (Ubuntu CVE).

If successfully exploited, this vulnerability could allow an attacker who convinces a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension. The impact assessment indicates high potential impact on confidentiality, integrity, and availability of the affected system (NVD).

The vulnerability was addressed in Chrome version 102.0.5005.61 for Windows, Mac, and Linux platforms. Users are advised to upgrade to this version or later to mitigate the risk. Various Linux distributions have also released fixes, including Debian and Ubuntu, with Ubuntu 18.04 LTS receiving the fix in version 103.0.5060.134-0ubuntu0.18.04.1 (Gentoo Security, Debian Security).