Apple released the iPhone 3.0.1 software update, patching the SMS vulnerability revealed Thursday at the Black Hat security conference in Las Vegas. The release notes of the 3.0.1 update were short and to the point: "Fixes SMS vulnerability" for the iPhone 3G and 3GS.

The SMS vulnerability allowed malicious parties to send seemingly harmless text messages to an iPhone and gain access to various function of the device - such as the camera or contacts. The user would reportedly be unaware of the intrusion.

Security researchers Charlie Miller and Collin Mulliner demonstrated the SMS flaw at the Black Hat security conference in Las Vegas on Thursday.

Apple was quick to fix the problem after it went public, although the two researchers said they told the Cupertino company about the flaw a month ago. Google has already fixed the flaw for its Android OS, the BBC reports.

To download the 3.0.1 security update, connect the iPhone to your computer, click on the "Check for update" button and follow the on-screen instructions.

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