itwbennett writes: Since June, researchers have found and reported several dozen serious flaws in antivirus products from vendors such as Kaspersky Lab, ESET, Avast, AVG Technologies, Intel Security (formerly McAfee) and Malwarebytes. Many of those vulnerabilities would have allowed attackers to remotely execute malicious code on computers, to abuse the functionality of the antivirus products themselves, to gain higher privileges on compromised systems and even to defeat the anti-exploitation defenses of third-party applications. And evidence suggests that attacks against antivirus products are both possible and likely. Some researchers believe that such attacks have already occurred, even though antivirus vendors might not be aware of them because of the very small number of victims. Among the emails leaked last year from Italian surveillance firm Hacking Team there is a document with exploits offered for sale by an outfit called Vulnerabilities Brokerage International. The document lists various privilege escalation, information disclosure and detection bypassing exploits for multiple antivirus products, and also a remote code execution exploit for ESET NOD32 Antivirus with the status 'sold.'
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