As expected, Apple is preparing a software update -- likely iOS 4.3.4 for most devices, iOS 4.2.9 for the Verizon iPhone -- to close the PDF exploit behind JailbreakMe.com. While JailbreakMe.com uses the exploit to Jailbreak current iOS firmware and install the Cydia app store, the same exploit could be used by a hacker to easily gain access to a user's device for malicious purposes.
Apple spokeswoman Trudy Muller said Thursday, “Apple takes security very seriously. We’re aware of this reported issue and developing a fix that will be available to customers in an upcoming software update.”
Currently, the only way to fix the vulnerability is to Jailbreak and install PDF Patcher 2.