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Jailbroken iPhones Get Unofficial SSL Patch

posted onAugust 18, 2011
by l33tdawg

An unofficial patch for a critical SSL vulnerability found in iOS has been released on Cydia, the app store used by people with jailbroken iDevices.

Called 'isslfix' the patch addresses CVE-2011-0228, a very serious vulnerability that compromises the confidentiality and security of SSL/TLS traffic.

The flaw stems from a failure to check the "Basic Constraints" value of digital certificates which defines if they belong to a Certificate Authority (CA) or a regular organization. This is important because CA certificates can be used to sign other certificates. By failing to check this, iOS validates any certificate, even if it is not signed by a trusted CA.

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iOS Security

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