Crooks exploit public bug to plant adware on Yosemite Macs

A vulnerability in OS X Yosemite that went public last month is being used by cyber criminals to plant adware on Macs, a security researcher said today.

“As far as we’ve been able to determine, it just installs adware and junkware,” said Thomas Reed, director of Mac offerings at Malwarebytes, a San Jose, Calif. security firm. “It’s annoying, but not malicious.”

That’s not to say the vulnerability isn’t serious: The same group, or others, could easily leverage the vulnerability to infect Macs with more substantial attack code, Reed said.

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