Friday, July 19, 2024

Google Chrome Use-after-free Flaw Let Attackers Perform Heap Exploitation

The latest stable version of Google Chrome (version 118.0.5993.70) has been released for Mac and Linux.

In contrast, the Windows version has been updated to 118.0.5993.70/.71. This update includes patching almost 20 vulnerabilities, ensuring improved user security.

In addition to the stable version, the extended stable version 118.0.5993.71 for Windows and 118.0.5993.70 for Mac has also been announced to be released in a few days.

Moreover, the details of these vulnerabilities have not been disclosed by Google.

According to the release notes, the highest severity bug seems to be an Inappropriate implementation in autofill, which was rewarded with $6000.


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Fixed vulnerabilities

There were several vulnerabilities fixed and rewarded. Most of these vulnerabilities were associated with Inappropriate implementation of Fullscreen, Navigation, DevTools, Intents, Downloads, ExtensionsAPI, Autofill, Installer, and Input. 

Apart from these vulnerabilities, there were three use-after-free vulnerabilities in Site isolation, Blink history, and cast. In addition, a heap buffer overflow vulnerability was also fixed as part of this stable release.

CVE IDSeverityDescription
CVE-2023-5218CriticalUse after free in Site Isolation
CVE-2023-5487MediumInappropriate Implementation in Downloads
CVE-2023-5484MediumInappropriate implementation in Navigation
CVE-2023-5475MediumInappropriate implementation in DevTools
CVE-2023-5483MediumInappropriate implementation in Intents
CVE-2023-5481MediumInappropriate implementation in Downloads
CVE-2023-5476MediumUse after free in Blink History
CVE-2023-5474MediumHeap buffer overflow in PDF
CVE-2023-5479MediumInappropriate implementation in Extensions API
CVE-2023-5485LowInappropriate implementation in Autofill
CVE-2023-5478LowInappropriate implementation in Autofill
CVE-2023-5477LowInappropriate implementation in Installer
CVE-2023-5486LowInappropriate Implementation in Fullscreen
CVE-2023-5473LowUse after free in Cast

Source: Google

Additional details about changes in this new build can be found on the log page, as mentioned by Google. Google has recommended its users upgrade to the latest version of Google Chrome to prevent these vulnerabilities from getting exploited. 

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Eswar is a Cyber security content editor with a passion for creating captivating and informative content. With years of experience under his belt in Cyber Security, he is covering Cyber Security News, technology and other news.

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