Overview
Recently, NSFOCUS CERT found that Google officially fixed a zero-day exploit (CVE-2023-5217), which was caused by the heap buffer overflow in the VP8 encoding of the open source libvpx video codec library. An attacker could use this vulnerability to execute arbitrary code on the target system. At present, this vulnerability has been exploited in the wild. Please take measures to protect the affected users as soon as possible.
In addition, Google has also fixed two post release reuse vulnerabilities (CVE-2023-5186/CVE-2023-5187), which attackers can exploit to achieve unauthorized access to the target system.
Reference link: https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_27.html
Scope of Impact
Affected version
- Google Chrome for Windows/Mac/Linux<117.0.5938.132
Unaffected version
- Google Chrome for Windows/Mac/Linux>=117.0.5938.132
Mitigation
Official upgrade
Currently, the official security version has been released to fix this vulnerability. It is recommended that affected users upgrade their protection in a timely manner: https://www.google.com/chrome/
Manual upgrade
Check for updates in the Chrome menu bar 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 cyberattacks. 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.
