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Category:   Application (Web Browser)  >   Apple Safari Vendors:   Apple Computer
Apple Safari Memory Corruption Errors Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1024257
SecurityTracker URL:  http://securitytracker.com/id/1024257
CVE Reference:   CVE-2010-1778, CVE-2010-1780, CVE-2010-1782, CVE-2010-1783, CVE-2010-1784, CVE-2010-1785, CVE-2010-1786, CVE-2010-1787, CVE-2010-1788, CVE-2010-1789, CVE-2010-1790, CVE-2010-1791, CVE-2010-1792, CVE-2010-1793   (Links to External Site)
Date:  Jul 28 2010
Impact:   Disclosure of user information, Execution of arbitrary code via network, Modification of user information, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 4.1.1, 5.0
Description:   Several vulnerabilities were reported in Apple Safari. A remote user can cause arbitrary code to be executed on the target user's system. A remote user can conduct cross-site scripting attacks.

The software does do not properly filter HTML code from user-supplied input in RSS feeds before displaying the input [CVE-2010-1778]. A remote user can create a specially crafted RSS feed that, when loaded by a target user, will cause arbitrary scripting code to be executed by the target user's browser. This can be exploited to access files on the target user's system. Billy Rios of the Google Security Team reported this vulnerability.

A remote user can create a specially crafted content that, when loaded by the target user, will execute arbitrary code on the target system. The code will run with the privileges of the target user.

The processing of element focus in WebKit can cause code execution [CVE-2010-1780]. Tony Chang of Google, Inc. reported this vulnerability.

The rendering of inline elements in WebKit can cause code execution [CVE-2010-1782]. wushi of team509 reported this vulnerability.

The handling of dynamic modifications to text nodes in WebKit can cause code execution [CVE-2010-1783].

The handling of CSS counters in WebKit can cause code execution [CVE-2010-1784]. wushi of team509 reported this vulnerability via TippingPoint's Zero Day Initiative.

SVG text elements with specially crafted :first-letter and :first-line pseudo-elements can cause cause code execution [CVE-2010-1785]. wushi of team509 reported this vulnerability via TippingPoint's Zero Day Initiative.

SVG documents with specially crafted foreignObject elements can trigger code execution [CVE-2010-1786]. wushi of team509 reported this vulnerability via TippingPoint's Zero Day Initiative.

SVG documents with specially crafted floating elements can trigger code execution [CVE-2010-1787].

SVG documents with specially crafted 'use' elements can trigger code execution [CVE-2010-1788]. Justin Schuh of Google, Inc. reported this vulnerability.

Specially crafted JavaScript string objects can trigger a buffer overflow and cause code execution [CVE-2010-1789]. The vendor reported this vulnerability.

The handling of just-in-time compiled JavaScript stubs in WebKit can cause code execution [CVE-2010-1790].

The handling of JavaScript arrays can trigger a signedness issue in WebKit can cause code execution [CVE-2010-1791]. Natalie Silvanovich reported this vulnerability.

The handling of regular expressions in WebKit can cause code execution [CVE-2010-1792]. Peter Varga of University of Szeged reported this vulnerability.

SVG documents with specially crafted 'font-face' and 'use' elements can cause code execution [CVE-2010-1793]. Aki Helin of OUSPG reported this vulnerability.

Impact:   A remote user can create content that, when loaded by the target user, will execute arbitrary code on the target user's system.

A remote user can access files on the target user's system.

Solution:   The vendor has issued a fix (4.1.1, 5.0.1).

Safari 5.0.1 is provided for Mac OS X v10.5, Mac OS X v10.6, and Windows systems. Safari 4.1.1 is provided for Mac OS X v10.4 systems.

Safari 5.0.1 is available via the Apple Software Update application, or Apple's Safari download site at:

http://www.apple.com/safari/download/

Safari 4.1.1 is available via the Apple Software Update application, or Apple's Software Downloads web site at:

http://www.apple.com/support/downloads/

Safari for Mac OS X v10.6.2 and later
The download file is named: Safari5.0.1SnowLeopard.dmg
Its SHA-1 digest is: 6bdf9e56c9067774c9b2157321fe2e4a874ddb44

Safari for Mac OS X v10.5.8
The download file is named: Safari5.0.1Leopard.dmg
Its SHA-1 digest is: 954d0e26da51f2121d05106b5949906993af4144

Safari for Mac OS X v10.4.11
The download file is named: Safari4.1.1Tiger.dmg
Its SHA-1 digest is: 6aec6f1a1738a7df43a8e339b875dd48ed7997d3

Safari for Windows 7, Vista or XP
The download file is named: SafariSetup.exe
Its SHA-1 digest is: c2047a7712d5605f55763bc9204e1f5898a2709a

Safari for Windows 7, Vista or XP from the Microsoft Choice Screen
The download file is named: Safari_Setup.exe
Its SHA-1 digest is: baf37d62ec24a54ea73c963a95fb1211470246c2

Safari+QuickTime for Windows 7, Vista or XP
The file is named: SafariQuickTimeSetup.exe
Its SHA-1 digest is: 4d3370f1055f0c1effdb1aa12fd1f3f4bbf00226

The vendor's advisory is available at:

http://support.apple.com/kb/HT4276

Vendor URL:  support.apple.com/kb/HT4276 (Links to External Site)
Cause:   Access control error, Boundary error, Input validation error
Underlying OS:   UNIX (OS X), Windows (7), Windows (Vista), Windows (XP)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Sep 2 2010 (Apple Issues Fix for iTunes) Apple Safari Memory Corruption Errors Let Remote Users Execute Arbitrary Code
Apple has issued a fix for iTunes.
Sep 9 2010 (Apple Issues Fix for iOS) Apple Safari Memory Corruption Errors Let Remote Users Execute Arbitrary Code
Apple has issued a fix for iOS.



 Source Message Contents

Date:  Wed, 28 Jul 2010 06:37:11 -0700
Subject:  APPLE-SA-2010-07-28-1 Safari 5.0.1 and Safari 4.1.1

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

APPLE-SA-2010-07-28-1 Safari 5.0.1 and Safari 4.1.1

Safari 5.0.1 and Safari 4.1.1 are now available and address the
following:

Safari
CVE-ID:  CVE-2010-1778
Available for:  Mac OS X v10.4.11, Mac OS X Server v10.4.11,
Mac OS X v10.5.8, Mac OS X Server v10.5.8,
Mac OS X v10.6.2 or later, Mac OS X Server v10.6.2 or later,
Windows 7, Vista, XP SP2 or later
Impact:  Accessing a maliciously crafted RSS feed may cause files
from the user's system to be sent to a remote server
Description:  A cross-site scripting issue exists in Safari's
handling of RSS feeds. Accessing a maliciously crafted RSS feed may
cause files from the user's system to be sent to a remote server.
This issue is addressed through improved handling of RSS feeds.
Credit to Billy Rios of the Google Security Team for reporting this
issue.

Safari
CVE-ID:  CVE-2010-1796
Available for:  Mac OS X v10.4.11, Mac OS X Server v10.4.11,
Mac OS X v10.5.8, Mac OS X Server v10.5.8,
Mac OS X v10.6.2 or later, Mac OS X Server v10.6.2 or later,
Windows 7, Vista, XP SP2 or later
Impact:  Safari's AutoFill feature may disclose information to
websites without user interaction
Description:  Safari's AutoFill feature can automatically fill out
web forms using designated information in your Mac OS X Address Book,
Outlook, or Windows Address Book. By design, user action is required
for AutoFill to operate within a web form. An implementation issue
exists that allows a maliciously crafted website to trigger AutoFill
without user interaction. This can result in the disclosure of
information contained within the user's Address Book Card. To trigger
the issue, the following two situations are required. First, in
Safari : Preferences : AutoFill, the "Autofill web forms using info
from my Address Book card" checkbox must be checked. Second, the
user's Address Book must have a Card designated as "My Card". Only
the information in that specific card is accessed via AutoFill. This
issue is addressed by prohibiting AutoFill from using information
without user action. Devices running iOS are not affected. Credit to
Jeremiah Grossman of WhiteHat Security for reporting this issue.

WebKit
CVE-ID:  CVE-2010-1780
Available for:  Mac OS X v10.4.11, Mac OS X Server v10.4.11,
Mac OS X v10.5.8, Mac OS X Server v10.5.8,
Mac OS X v10.6.2 or later, Mac OS X Server v10.6.2 or later,
Windows 7, Vista, XP SP2 or later
Impact:  Visiting a maliciously crafted website may lead to an
unexpected application termination or arbitrary code execution
Description:  A use after free issue exists in WebKit's handling of
element focus. Visiting a maliciously crafted website may lead to an
unexpected application termination or arbitrary code execution. This
issue is addressed through improved handling of element focus. Credit
to Tony Chang of Google, Inc. for reporting this issue.

WebKit
CVE-ID:  CVE-2010-1782
Available for:  Mac OS X v10.4.11, Mac OS X Server v10.4.11,
Mac OS X v10.5.8, Mac OS X Server v10.5.8,
Mac OS X v10.6.2 or later, Mac OS X Server v10.6.2 or later,
Windows 7, Vista, XP SP2 or later
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 rendering
of inline elements. Visiting a maliciously crafted website may lead
to an unexpected application termination or arbitrary code execution.
This issue is addressed through improved bounds checking. Credit to
wushi of team509 for reporting this issue.

WebKit
CVE-ID:  CVE-2010-1783
Available for:  Mac OS X v10.4.11, Mac OS X Server v10.4.11,
Mac OS X v10.5.8, Mac OS X Server v10.5.8,
Mac OS X v10.6.2 or later, Mac OS X Server v10.6.2 or later,
Windows 7, Vista, XP SP2 or later
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 dynamic modifications to text nodes. Visiting a maliciously
crafted website may lead to an unexpected application termination or
arbitrary code execution. This issue is addressed through improved
memory management.

WebKit
CVE-ID:  CVE-2010-1784
Available for:  Mac OS X v10.4.11, Mac OS X Server v10.4.11,
Mac OS X v10.5.8, Mac OS X Server v10.5.8,
Mac OS X v10.6.2 or later, Mac OS X Server v10.6.2 or later,
Windows 7, Vista, XP SP2 or later
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 CSS counters. Visiting a maliciously crafted website may lead to
an unexpected application termination or arbitrary code execution.
This issue is addressed through improved memory management. Credit to
wushi of team509, working with TippingPoint's Zero Day Initiative for
reporting this issue.

WebKit
CVE-ID:  CVE-2010-1785
Available for:  Mac OS X v10.4.11, Mac OS X Server v10.4.11,
Mac OS X v10.5.8, Mac OS X Server v10.5.8,
Mac OS X v10.6.2 or later, Mac OS X Server v10.6.2 or later,
Windows 7, Vista, XP SP2 or later
Impact:  Visiting a maliciously crafted website may lead to an
unexpected application termination or arbitrary code execution
Description:  An uninitialized memory access issue exists in WebKit's
handling of the :first-letter and :first-line pseudo-elements in SVG
text elements. Visiting a maliciously crafted website may lead to an
unexpected application termination or arbitrary code execution. This
issue is addressed by not rendering :first-letter or :first-line
pseudo-elements in SVG text elements. Credit to wushi of team509,
working with TippingPoint's Zero Day Initiative for reporting this
issue.

WebKit
CVE-ID:  CVE-2010-1786
Available for:  Mac OS X v10.4.11, Mac OS X Server v10.4.11,
Mac OS X v10.5.8, Mac OS X Server v10.5.8,
Mac OS X v10.6.2 or later, Mac OS X Server v10.6.2 or later,
Windows 7, Vista, XP SP2 or later
Impact:  Visiting a maliciously crafted website may lead to an
unexpected application termination or arbitrary code execution
Description:  A use after free issue exists in WebKit's handling of
foreignObject elements in SVG documents. Visiting a maliciously
crafted website may lead to an unexpected application termination or
arbitrary code execution. This issue is addressed through additional
validation of SVG documents. Credit to wushi of team509, working with
TippingPoint's Zero Day Initiative for reporting this issue.

WebKit
CVE-ID:  CVE-2010-1787
Available for:  Mac OS X v10.4.11, Mac OS X Server v10.4.11,
Mac OS X v10.5.8, Mac OS X Server v10.5.8,
Mac OS X v10.6.2 or later, Mac OS X Server v10.6.2 or later,
Windows 7, Vista, XP SP2 or later
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 floating elements in SVG documents. Visiting a maliciously crafted
website may lead to an unexpected application termination or
arbitrary code execution. This issue is addressed through improved
memory management.

WebKit
CVE-ID:  CVE-2010-1788
Available for:  Mac OS X v10.4.11, Mac OS X Server v10.4.11,
Mac OS X v10.5.8, Mac OS X Server v10.5.8,
Mac OS X v10.6.2 or later, Mac OS X Server v10.6.2 or later,
Windows 7, Vista, XP SP2 or later
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 'use' elements in SVG documents. Visiting a maliciously crafted
website may lead to an unexpected application termination or
arbitrary code execution. This issue is addressed through improved
handling of 'use' elements in SVG documents. Credit to Justin Schuh
of Google, Inc. for reporting this issue.

WebKit
CVE-ID:  CVE-2010-1789
Available for:  Mac OS X v10.4.11, Mac OS X Server v10.4.11,
Mac OS X v10.5.8, Mac OS X Server v10.5.8,
Mac OS X v10.6.2 or later, Mac OS X Server v10.6.2 or later,
Windows 7, Vista, XP SP2 or later
Impact:  Visiting a maliciously crafted website may lead to an
unexpected application termination or arbitrary code execution
Description:  A heap buffer overflow exists in WebKit's handling of
JavaScript string objects. Visiting a maliciously crafted website may
lead to an unexpected application termination or arbitrary code
execution. This issue is addressed through improved bounds checking.
Credit: Apple.

WebKit
CVE-ID:  CVE-2010-1790
Available for:  Mac OS X v10.4.11, Mac OS X Server v10.4.11,
Mac OS X v10.5.8, Mac OS X Server v10.5.8,
Mac OS X v10.6.2 or later, Mac OS X Server v10.6.2 or later,
Windows 7, Vista, XP SP2 or later
Impact:  Visiting a maliciously crafted website may lead to an
unexpected application termination or arbitrary code execution
Description:  A reentrancy issue exists in WebKit's handling of just-
in-time compiled JavaScript stubs. Visiting a maliciously crafted
website may lead to an unexpected application termination or
arbitrary code execution. This issue is addressed through improved
synchronization.

WebKit
CVE-ID:  CVE-2010-1791
Available for:  Mac OS X v10.4.11, Mac OS X Server v10.4.11,
Mac OS X v10.5.8, Mac OS X Server v10.5.8,
Mac OS X v10.6.2 or later, Mac OS X Server v10.6.2 or later,
Windows 7, Vista, XP SP2 or later
Impact:  Visiting a maliciously crafted website may lead to an
unexpected application termination or arbitrary code execution
Description:  A signedness 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 issue is addressed through improved handling of JavaScript array
indices. Credit to Natalie Silvanovich for reporting this issue.

WebKit
CVE-ID:  CVE-2010-1792
Available for:  Mac OS X v10.4.11, Mac OS X Server v10.4.11,
Mac OS X v10.5.8, Mac OS X Server v10.5.8,
Mac OS X v10.6.2 or later, Mac OS X Server v10.6.2 or later,
Windows 7, Vista, XP SP2 or later
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 regular expressions. Visiting a maliciously crafted website may
lead to an unexpected application termination or arbitrary code
execution. This issue is addressed through improved handling of
regular expressions. Credit to Peter Varga of University of Szeged
for reporting this issue.

WebKit
CVE-ID:  CVE-2010-1793
Available for:  Mac OS X v10.4.11, Mac OS X Server v10.4.11,
Mac OS X v10.5.8, Mac OS X Server v10.5.8,
Mac OS X v10.6.2 or later, Mac OS X Server v10.6.2 or later,
Windows 7, Vista, XP SP2 or later
Impact:  Visiting a maliciously crafted website may lead to an
unexpected application termination or arbitrary code execution
Description:  A use after free issue exists in WebKit's handling of
"font-face" and "use" elements in SVG documents. Visiting a
maliciously crafted website may lead to an unexpected application
termination or arbitrary code execution. This issue is addressed
through improved handling of "font-face" and "use" elements in SVG
documents. Credit to Aki Helin of OUSPG for reporting this issue.


Safari 5.0.1 and Safari 4.1.1 address the same set of security
issues. Safari 5.0.1 is provided for Mac OS X v10.5, Mac OS X v10.6,
and Windows systems. Safari 4.1.1 is provided for
Mac OS X v10.4 systems.

Safari 5.0.1 is available via the Apple Software Update
application, or Apple's Safari download site at:
http://www.apple.com/safari/download/

Safari 4.1.1 is available via the Apple Software Update
application, or Apple's Software Downloads web site:
http://www.apple.com/support/downloads/

Safari for Mac OS X v10.6.2 and later
The download file is named: Safari5.0.1SnowLeopard.dmg
Its SHA-1 digest is: 6bdf9e56c9067774c9b2157321fe2e4a874ddb44

Safari for Mac OS X v10.5.8
The download file is named: Safari5.0.1Leopard.dmg
Its SHA-1 digest is: 954d0e26da51f2121d05106b5949906993af4144

Safari for Mac OS X v10.4.11
The download file is named: Safari4.1.1Tiger.dmg
Its SHA-1 digest is: 6aec6f1a1738a7df43a8e339b875dd48ed7997d3

Safari for Windows 7, Vista or XP
The download file is named: SafariSetup.exe
Its SHA-1 digest is: c2047a7712d5605f55763bc9204e1f5898a2709a

Safari for Windows 7, Vista or XP from the Microsoft Choice Screen
The download file is named: Safari_Setup.exe
Its SHA-1 digest is: baf37d62ec24a54ea73c963a95fb1211470246c2

Safari+QuickTime for Windows 7, Vista or XP
The file is named: SafariQuickTimeSetup.exe
Its SHA-1 digest is: 4d3370f1055f0c1effdb1aa12fd1f3f4bbf00226

Information will also be posted to the Apple Security Updates
web site: http://support.apple.com/kb/HT1222

This message is signed with Apple's Product Security PGP key,
and details are available at:
https://www.apple.com/support/security/pgp/

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