Overview
Recently, NSFOCUS CERT found that Google officially fixed an integer overflow vulnerability in Chrome Skia (CVE-2023-2136). Due to a flaw in Skia, when the value exceeds the maximum limit of integer type due to arithmetic operations, an integer overflow will occur. The attacker triggers this vulnerability by inducing users to open a specially crafted HTML page, ultimately leading to arbitrary code execution on the target system. At present, it has been detected that the vulnerability is being exploited in the wild. Affected users should take protective measures as soon as possible.
Chrome Skia is a graphics engine library developed by Google, written in C++language and characterized by efficiency, cross platform, and customization. Chrome Skia is widely used in Google Chrome browser, Android operating system, and other Google products.
Reference link: https://chromereleases.googleblog.com/2023/04/stable-channel-update-for-desktop_18.html
Scope of Impact
Affected version
- Google Chrome < 112.0.5615.137
Unaffected version
- Google Chrome (Windows) >= 112.0.5615.137/138
- Google Chrome (Ma) >= 112.0.5615.137
- Google Chrome (Linux) >= 112.0.5615.165
Note: The Linux version has not been updated yet
Mitigation
Official uprade
At present, the official has released a secure version for Windows and Mac. Affected users are requested to upgrade the version as soon as possible for protection. The reference link is as follows:
Manual upgrade
Check for updates in the Chrome menu bar – “Help” – “About Google Chrome”, and restart after the update.
Statement
This advisory is only used to describe a potential risk. NSFOCUS does not provide any commitment or promise on this advisory. NSFOCUS and the author will not bear any liability for any direct and/or indirect consequences and losses caused by transmitting and/or using this advisory. NSFOCUS reserves all the rights to modify and interpret this advisory. Please include this statement paragraph when reproducing or transferring this advisory. Do not modify this advisory, add/delete any information to/from it, or use this advisory for commercial purposes without permission from NSFOCUS.
About NSFOCUS
NSFOCUS, Inc., a global network and cyber security leader, protects enterprises and carriers from advanced cyber attacks. The company’s Intelligent Hybrid Security strategy utilizes both cloud and on-premises security platforms, built on a foundation of real-time global threat intelligence, to provide multi-layered, unified and dynamic protection against advanced cyber attacks.
NSFOCUS works with Fortune Global 500 companies, including four of the world’s five largest financial institutions, organizations in insurance, retail, healthcare, critical infrastructure industries as well as government agencies. NSFOCUS has technology and channel partners in more than 60 countries, is a member of both the Microsoft Active Protections Program (MAPP), and the Cloud Security Alliance (CSA).
A wholly owned subsidiary of NSFOCUS Technologies Group Co., Ltd., the company has operations in the Americas, Europe, the Middle East and Asia Pacific.
