About the security content of iOS 4.2.10 Software Update for iPhone

This document describes the security content of iOS 4.2.10.

This document describes the security content of iOS 4.2.10, which can be downloaded and installed using iTunes.

For the protection of our customers, Apple does not disclose, discuss, or confirm security issues until a full investigation has occurred and any necessary patches or releases are available. To learn more about Apple Product Security, see the Apple Product Security website.

For information about the Apple Product Security PGP Key, see "How to use the Apple Product Security PGP Key."

Where possible, CVE IDs are used to reference the vulnerabilities for further information.

To learn about other Security Updates, see "Apple Security Updates".

iOS 4.2.10 Software Update for iPhone

  • Data Security

    Available for: iOS 4.2.5 through 4.2.9 for iPhone 4 (CDMA)

    Impact: An attacker with a privileged network position may capture or modify data in sessions protected by SSL/TLS

    Description: A certificate chain validation issue existed in the handling of X.509 certificates. An attacker with a privileged network position may capture or modify data in sessions protected by SSL/TLS. Other attacks involving X.509 certificate validation may also be possible. This issue is addressed through improved validation of X.509 certificate chains.

    CVE-ID

    CVE-2011-0228 : Gregor Kopf of Recurity Labs on behalf of BSI, and Paul Kehrer of Trustwave's SpiderLabs

 

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