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Antivirus software flaw discovered – patches issued – BullGuard users are safe

A security researcher has discovered a flaw in antivirus software that actually spreads malware.

When antivirus software discovers malware it quarantines it, keeping the computer save from infection.

The flaw however, potentially enables hackers to remove the malware from the quarantine folder and move it onto the computer.

Exploiting this bug is technically complex and it does require a hacker to be physically at the same location as the computer.

However, in a large networked environment, for instance an office with hundreds of computers on the same network, if one computer is compromised it’s certainly possible to infect other machines on the network.



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The researcher who discovered the flaw, Florian Bogner, has notified antivirus companies that have software which contains the vulnerability.

Apparently most of these vendors have issued updates that fix the issue. Some of these reportedly include Emisoft, Ikarus, Kaspersky, Malwarebytes, Trend Micro and ZoneAlarm.

BullGuard users are not affected by the vulnerability, because BullGuard designed all its products architecture and processes to protect against such issues.

Importance of updates

The discovery of this potential compromise illustrates the importance of always applying updates, whether it’s to antivirus programmes, operating systems or other types of software.

It also underlines how software by definition is innately complex and as result, the need to practise good security is important, whether it’s running AV software, protecting your Wi-Fi network or simply being aware of phishing techniques used by cyber fraudsters.

However, it is ironic that antivirus software, designed to protect, has a vulnerability which if exploited could infect computers.

It does happen occasionally; the important thing is that vendors patch the flaw as soon as it is discovered.
Filed under: Security News

Written by Steve Bell

Steve has a background in IT and business journalism and has written extensively for both the UK national and trade press including The Guardian, Independent-on-Sunday, The Times, The Register, MicroScope and Computer Weekly. He's also worked for most of the world's largest IT companies producing content producing. He has a particular focus on IT security and has produced several magazines in this area.

More articles by Steve Bell

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