Google and Mozila patched the Vulnerability exploited in Chinese hackathon

Mozilla and Google have already patched the critical Firefox and Chrome vulnerabilities exploited recently by white hat hackers at a competition in China.

The Firefox vulnerability, tracked as CVE-2020-26950, has been described as an issue related to write side effects in MCallGetProperty opcode not being accounted for.

The flaw was fixed with the release of Firefox 82.0.3, Firefox ESR 78.4.1 and Thunderbird 78.4.2

The Chrome vulnerability disclosed and tracked as CVE-2020-16016 and it has been described by Google as an inappropriate implementation issue in the base component. Google fixed it with an update released for Chrome 86 on Monday.

CVE-2020-26950 and CVE-2020-16016 were demonstrated by a team from Chinese cybersecurity firm Qihoo 360. This team earned over $740,000 of the total of $1.2 million awarded to participants at Tianfu Cup. For the Firefox vulnerability they earned $40,000, while for the Chrome flaw, which allowed them to achieve remote code execution with a sandbox escape, they received $100,000.

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