02/04/2020

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Avast disables vulnerability that left 400 million users open to abuse – Security

Protection vendor Avast has urgently disabled a component in its antivirus solution that researchers reported...

Protection vendor Avast has urgently disabled a component in its antivirus solution that researchers reported could have place above 400 million people at risk of arbitrary code execution remotely.

Google Venture Zero researchers Tavis Ormandy and Natalie Silvanovich seemed into the Avast antivirus Javascript interpreter or emulator that is applied to triage possibly unsafe code, and found it to be poorly applied.

Ormandy released an analysis about the vulnerability on Github two days in the past, pointing out that the Javascript interpreter is a risky proposition.

“Despite becoming very privileged and processing untrusted input by style and design, it is unsandboxed and has poor mitigation protection.

“Any vulnerabilities in this method are significant, and very easily obtainable to remote attackers.

“So.. probably not terrific that it involves a tailor made JavaScript interpreter….???? ” Ormandy wrote.

Avast responded to Ormandy’s vulnerability report and reported it will disable the problematic Javascript emulator straight away.

In January this 12 months, the security vendor was at the cynosure of a privateness scandal involving its details-harvesting subsidiary Jumpshot, which it was forced to divest.

Avast also accidentally dispersed malware to thousands and thousands of people for above a month in 2017, through the CCleaner utility that the security vendor had purchased the same 12 months.