About the security content of iPhone v2.0 and iPod touch v2.0

This document describes the security content of iPhone v2.0 and iPod touch v2.0.

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 find out 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 find out about other Security Updates, see “Apple Security Updates”.

iPhone v2.0 and iPod touch v2.0

• CFNetwork

  CVE-ID: CVE-2008-0050

  Available for: iPhone v1.0 to v1.1.4, iPod touch v1.1 to v1.1.4

  Impact: a malicious proxy server may spoof secure websites

  Description: a malicious HTTPS proxy server may return arbitrary data to CFNetwork in a 502 Bad Gateway error, which could allow a secure website to be spoofed. This update addresses the issue by not returning the proxy-supplied data on an error condition.

• Kernel

  CVE-ID: CVE-2008-0177

  Available for: iPhone v1.0 to v1.1.4, iPod touch v1.1 to v1.1.4

  Impact: a remote attacker may be able to cause an unexpected device reset

  Description: an undetected failure condition exists in the handling of packets with an IPComp header. Sending a maliciously crafted packet to a system configured to use IPSec or IPv6 may cause an unexpected device reset. This update addresses the issue by properly detecting the failure condition.

• Safari

  CVE-ID: CVE-2008-1588

  Available for: iPhone v1.0 to v1.1.4, iPod touch v1.1 to v1.1.4

  Impact: Unicode ideographic spaces may be used to spoof a website

  Description: when Safari displays the current URL in the address bar, Unicode ideographic spaces are rendered. This allows a maliciously crafted website to direct the user to a spoofed site that visually appears to be a legitimate domain. This update addresses the issue by not rendering Unicode ideographic spaces in the address bar.

• Safari

  CVE-ID: CVE-2008-1589

  Available for: iPhone v1.0 to v1.1.4, iPod touch v1.1 to v1.1.4

  Impact: visiting a maliciously crafted website may lead to the disclosure of sensitive information

  Description: when Safari accesses a website that uses a self-signed or invalid certificate, it prompts the user to accept or reject the certificate. If the user presses the menu button while on the prompt, on the next visit to the site the certificate will be accepted with no prompt. This may lead to the disclosure of sensitive information. This update addresses the issue through improved handling of certificates. Credit to Hiromitsu Takagi for reporting this issue.

• Safari

  CVE-ID: CVE-2008-2303

  Available for: iPhone v1.0 to v1.1.4, iPod touch v1.1 to v1.1.4

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

  Description: a signedness issue in Safari's handling of JavaScript array indices may result in an out-of-bounds memory access. Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution. This update addresses the issue by performing additional validation of JavaScript array indices. Credit to SkyLined of Google for reporting this issue.

• Safari

  CVE-ID: CVE-2006-2783

  Available for: iPhone v1.0 to v1.1.4, iPod touch v1.1 to v1.1.4

  Impact: visiting a maliciously crafted website may lead to cross-site scripting

  Description: Safari ignores Unicode byte order mark sequences when parsing web pages. Certain websites and web content filters attempt to sanitise input by blocking specific HTML tags. This approach to filtering may be bypassed and lead to cross-site scripting when encountering maliciously crafted HTML tags containing byte order mark sequences. This update addresses the issue through improved handling of byte order mark sequences. Credit to Chris Weber of Casaba Security, LLC for reporting this issue.

• Safari

  CVE-ID: CVE-2008-2307

  Available for: iPhone v1.0 to v1.1.4, iPod touch v1.1 to v1.1.4

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

  Description: a memory corruption issue exists in WebKit's handling of JavaScript arrays. Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution. This update addresses the issue through improved bounds checking. Credit to James Urquhart for reporting this issue.

• Safari

  CVE-ID: CVE-2008-2317

  Available for: iPhone v1.0 to v1.1.4, iPod touch v1.1 to v1.1.4

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

  Description: a memory corruption issue exists in WebCore's handling of style sheet elements. Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution. This update addresses the issue through improved garbage collection. Credit to an anonymous researcher working with the TippingPoint Zero Day Initiative for reporting this issue.

• Safari

  CVE-ID: CVE-2007-6284

  Available for: iPhone v1.0 to v1.1.4, iPod touch v1.1 to v1.1.4

  Impact: processing an XML document may lead to a denial of service

  Description: a memory consumption issue exists in the handling of XML documents containing invalid UTF-8 sequences, which may lead to a denial of service. This update addresses the issue by updating the libxml2 system library to version 2.6.16.

• Safari

  CVE-ID: CVE-2008-1767

  Available for: iPhone v1.0 to v1.1.4, iPod touch v1.1 to v1.1.4

  Impact: processing an XML document may lead to an unexpected application termination or arbitrary code execution

  Description: a memory corruption issue exists in the libxslt library. Viewing a maliciously crafted HTML page may lead to an unexpected application termination or arbitrary code execution. Further information on the patch applied is available via the xmlsoft.org website http://xmlsoft.org/XSLT/ Credit to Anthony de Almeida Lopes of Outpost24 AB and Chris Evans of Google Security Team for reporting this issue.

• WebKit

  CVE-ID: CVE-2008-1590

  Available for: iPhone v1.0 to v1.1.4, iPod touch v1.1 to v1.1.4

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

  Description: a memory corruption issue exists in JavaScriptCore's handling of runtime garbage collection. Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution. This update addresses the issue through improved garbage collection. Credit to Itzik Kotler and Jonathan Rom of Radware for reporting this issue.

• WebKit

  CVE-ID: CVE-2008-1025

  Available for: iPhone v1.0 to v1.1.4, iPod touch v1.1 to v1.1.4

  Impact: accessing a maliciously crafted URL may result in cross-site scripting

  Description: an issue exists in WebKit's handling of URLs containing a colon character in the host name. Accessing a maliciously crafted URL may lead to a cross-site scripting attack. This update addresses the issue through improved handling of URLs. Credit to Robert Swiecki of the Google Security Team and David Bloom for reporting this issue.

• WebKit

  CVE-ID: CVE-2008-1026

  Available for: iPhone v1.0 to v1.1.4, iPod touch v1.1 to v1.1.4

  Impact: viewing a maliciously crafted web page may lead to an unexpected application termination or arbitrary code execution

  Description: a heap buffer overflow exists in WebKit's handling of JavaScript regular expressions. The issue may be triggered via JavaScript when processing regular expressions with large, nested repetition counts. This may lead to an unexpected application termination or arbitrary code execution. This update addresses the issue by performing additional validation of JavaScript regular expressions. Credit to Charlie Miller of Independent Security Evaluators for reporting this issue.