Archived - About the security content of iPhone v1.0.1 Update

This article has been archived and is no longer updated by Apple.

This document describes the security content of iPhone v1.0.1 Update, which can be downloaded and installed via iTunes as described below.

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."

iPhone v1.0.1 Update

  • Safari

    CVE-ID: CVE-2007-2400

    Available for: iPhone v1.0

    Impact: Visiting a malicious website may allow cross-site scripting

    Description: Safari's security model prevents JavaScript in remote web pages from modifying pages outside of their domain. A race condition in page updating combined with HTTP redirection may allow JavaScript from one page to modify a redirected page. This could allow cookies and pages to be read or arbitrarily modified. This update addresses the issue by correcting access control to window properties. Credit to Lawrence Lai, Stan Switzer, and Ed Rowe of Adobe Systems, Inc. for reporting this issue.

  • Safari

    CVE-ID: CVE-2007-3944

    Available for: iPhone v1.0

    Impact: Viewing a maliciously crafted web page may lead to arbitrary code execution

    Description: Heap buffer overflows exist in the Perl Compatible Regular Expressions (PCRE) library used by the JavaScript engine in Safari. By enticing a user to visit a maliciously crafted web page, an attacker may trigger the issue, which may lead to arbitrary code execution. This update addresses the issue by performing additional validation of JavaScript regular expressions. Credit to Charlie Miller and Jake Honoroff of Independent Security Evaluators for reporting these issues.

  • WebCore

    CVE-ID: CVE-2007-2401

    Available for: iPhone v1.0

    Impact: Visiting a malicious website may allow cross-site requests

    Description: An HTTP injection issue exists in XMLHttpRequest when serializing headers into an HTTP request. By enticing a user to visit a maliciously crafted web page, an attacker could trigger a cross-site scripting issue. This update addresses the issue by performing additional validation of header parameters. Credit to Richard Moore of Westpoint Ltd. for reporting this issue.

  • WebKit

    CVE-ID: CVE-2007-3742

    Available for: iPhone v1.0

    Impact: Look-alike characters in a URL could be used to masquerade a website

    Description: The International Domain Name (IDN) support and Unicode fonts embedded in Safari could be used to create a URL which contains look-alike characters. These could be used in a malicious web site to direct the user to a spoofed site that visually appears to be a legitimate domain. This update addresses the issue by through an improved domain name validity check. Credit to Tomohito Yoshino of Business Architects Inc. for reporting this issue.

  • WebKit

    CVE-ID: CVE-2007-2399

    Available for: iPhone v1.0

    Impact: Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution

    Description: An invalid type conversion when rendering frame sets could lead to memory corruption. Visiting a maliciously crafted web page may lead to an unexpected application termination or arbitrary code execution. Credit to Rhys Kidd of Westnet for reporting this issue.

Installation note

This update is only available through iTunes, and will not appear in your computer's Software Update application, or on the Apple Support Downloads site. Make sure you have an Internet connection and have installed the latest version of iTunes from (www.apple.com/itunes).

iTunes automatically checks Apple's update server on its weekly schedule. When an update is detected, it will download it. When the iPhone is docked, iTunes will present the user with the option to install the update. We recommend applying the update immediately if possible. Selecting "don't install" will present the option the next time you connect your iPhone. The automatic update process may take up to a week depending on the day that iTunes checks for updates.

You can manually obtain the update via the "Check for Updates" button or menu choice in iTunes. After doing this, the update can be applied when your iPhone is docked to your computer.

To check that the iPhone has been updated:

  1. Navigate to Settings on the iPhone.
  2. Click General.
  3. Click About. The version after applying this update will be "1.0.1 (1C25)".

 

Zuletzt geändert: Feb 20, 2012
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