Google fixed the second actively exploited Chrome zero-day of 2023

Google rolled out emergency security patches to address another actively exploited high-severity zero-day flaw in the Chrome browser.

Google rolled out emergency fixes to address another actively exploited high-severity zero-day flaw, tracked as CVE-2023-2136, in its Chrome web browser.

The vulnerability is an Integer overflow in the Skia graphics library, the issue was reported by Clément Lecigne of Google’s Threat Analysis Group on April 12, 2023.

A remote attackers who had compromised the renderer process can exploit the integer overflow in the Skia library to potentially perform a sandbox escape via a crafted HTML page.

Google also addressed other vulnerabilities in Chrome, below is the full list published by the company:

[$8000][1429197] High CVE-2023-2133: Out of bounds memory access in Service Worker API. Reported by Rong Jian of VRI on 2023-03-30
[$8000][1429201] High CVE-2023-2134: Out of bounds memory access in Service Worker API. Reported by Rong Jian of VRI on 2023-03-30
[$3000][1424337] High CVE-2023-2135: Use after free in DevTools. Reported by Cassidy Kim(@cassidy6564) on 2023-03-14
[$NA][1432603] High CVE-2023-2136: Integer overflow in Skia. Reported by Clément Lecigne of Google’s Threat Analysis Group on 2023-04-12
[$1000][1430644] Medium CVE-2023-2137: Heap buffer overflow in sqlite. Reported by Nan Wang(@eternalsakura13) and Guang Gong of 360 Vulnerability Research Institute on 2023-04-05

“The Stable and extended stable channel has been updated to 112.0.5615.137/138 for Windows and 112.0.5615.137 for Mac which will roll out over the coming days/weeks. Linux release coming soon.” reads the advisory published by the company. “Google is aware that an exploit for CVE-2023-2136 exists in the wild.”

Last week, Google released an emergency security update to address the first Chrome zero-day vulnerability (CVE-2023-2033) in 2023, the company is aware of attacks in the wild exploiting the issue.

The vulnerability is a Type Confusion issue that resides in the JavaScript engine V8. The vulnerability was reported by Clément Lecigne of Google’s Threat Analysis Group on 2023-04-11.

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Pierluigi Paganini

(SecurityAffairs – hacking, Chrome)

Pierluigi Paganini

Pierluigi Paganini is member of the ENISA (European Union Agency for Network and Information Security) Threat Landscape Stakeholder Group and Cyber G7 Group, he is also a Security Evangelist, Security Analyst and Freelance Writer. Editor-in-Chief at "Cyber Defense Magazine", Pierluigi is a cyber security expert with over 20 years experience in the field, he is Certified Ethical Hacker at EC Council in London. The passion for writing and a strong belief that security is founded on sharing and awareness led Pierluigi to find the security blog "Security Affairs" recently named a Top National Security Resource for US. Pierluigi is a member of the "The Hacker News" team and he is a writer for some major publications in the field such as Cyber War Zone, ICTTF, Infosec Island, Infosec Institute, The Hacker News Magazine and for many other Security magazines. Author of the Books "The Deep Dark Web" and “Digital Virtual Currency and Bitcoin”.