WebKit JavaScript 'onload()' Event Cross Domain Scripting Vulnerability

BID:35315

Info

WebKit JavaScript 'onload()' Event Cross Domain Scripting Vulnerability

Bugtraq ID: 35315
Class: Input Validation Error
CVE: CVE-2009-1684
Remote: Yes
Local: No
Published: Jun 08 2009 12:00AM
Updated: Dec 14 2009 08:33PM
Credit: Michal Zalewski of Google Inc.
Vulnerable: WebKit Open Source Project WebKit 0
Debian Linux 5.0 sparc
Debian Linux 5.0 s/390
Debian Linux 5.0 powerpc
Debian Linux 5.0 mipsel
Debian Linux 5.0 mips
Debian Linux 5.0 m68k
Debian Linux 5.0 ia-64
Debian Linux 5.0 ia-32
Debian Linux 5.0 hppa
Debian Linux 5.0 armel
Debian Linux 5.0 arm
Debian Linux 5.0 amd64
Debian Linux 5.0 alpha
Debian Linux 5.0
Apple Safari For Windows 3.2.1
Apple Safari 3.2.3 for Windows
Apple Safari 3.2.3
Apple Safari 3.2.2 for Windows
Apple Safari 3.1.2 for Windows
Apple Safari 3.1.2
Apple Safari 3.1.1 for Windows
Apple Safari 3.1.1
Apple Safari 3.0.4 Beta for Windows
Apple Safari 3.0.3 Beta for Windows
Apple Safari 3.0.3 Beta
Apple Safari 3.0.2 Beta for Windows
Apple Safari 3.0.2 Beta
Apple Safari 3.0.1 Beta for Windows
Apple Safari 3.0.1 Beta
Apple Safari 2.0.4
Apple Safari 2.0.3
Apple Safari 2.0.2
Apple Safari 2.0.1
+ Apple Mac OS X 10.4.2
+ Apple Mac OS X 10.4.1
+ Apple Mac OS X 10.4
+ Apple Mac OS X Server 10.4.2
+ Apple Mac OS X Server 10.4.1
+ Apple Mac OS X Server 10.4
Apple Safari 1.3.2
Apple Safari 1.3.1
+ Apple Mac OS X 10.3.9
Apple Safari 1.3
+ Apple Mac OS X 10.3.9
Apple Safari 1.2.3
Apple Safari 1.2.2
Apple Safari 1.2.1
Apple Safari 1.2
+ Apple Mac OS X 10.3.7
+ Apple Mac OS X 10.3.7
+ Apple Mac OS X 10.3.6
+ Apple Mac OS X 10.3.6
+ Apple Mac OS X 10.3.5
+ Apple Mac OS X 10.3.5
+ Apple Mac OS X 10.3.4
+ Apple Mac OS X 10.3.4
+ Apple Mac OS X 10.3.3
+ Apple Mac OS X 10.3.3
+ Apple Mac OS X 10.3.2
+ Apple Mac OS X 10.3.2
+ Apple Mac OS X 10.3.1
+ Apple Mac OS X 10.3.1
+ Apple Mac OS X 10.3
+ Apple Mac OS X 10.3
+ Apple Mac OS X 10.2.8
+ Apple Mac OS X 10.2.8
+ Apple Mac OS X 10.2.7
+ Apple Mac OS X 10.2.7
+ Apple Mac OS X 10.2.6
+ Apple Mac OS X 10.2.6
+ Apple Mac OS X 10.2.5
+ Apple Mac OS X 10.2.5
+ Apple Mac OS X 10.2.4
+ Apple Mac OS X 10.2.4
+ Apple Mac OS X 10.2.3
+ Apple Mac OS X 10.2.3
+ Apple Mac OS X 10.2.2
+ Apple Mac OS X 10.2.2
+ Apple Mac OS X 10.2.1
+ Apple Mac OS X 10.2.1
+ Apple Mac OS X 10.2
+ Apple Mac OS X 10.2
+ Apple Mac OS X Server 10.3.7
+ Apple Mac OS X Server 10.3.6
+ Apple Mac OS X Server 10.3.6
+ Apple Mac OS X Server 10.3.5
+ Apple Mac OS X Server 10.3.5
+ Apple Mac OS X Server 10.3.4
+ Apple Mac OS X Server 10.3.4
+ Apple Mac OS X Server 10.3.3
+ Apple Mac OS X Server 10.3.3
+ Apple Mac OS X Server 10.3.2
+ Apple Mac OS X Server 10.3.2
+ Apple Mac OS X Server 10.3.1
+ Apple Mac OS X Server 10.3.1
+ Apple Mac OS X Server 10.3
+ Apple Mac OS X Server 10.3
+ Apple Mac OS X Server 10.2.8
+ Apple Mac OS X Server 10.2.8
+ Apple Mac OS X Server 10.2.7
+ Apple Mac OS X Server 10.2.7
+ Apple Mac OS X Server 10.2.6
+ Apple Mac OS X Server 10.2.6
+ Apple Mac OS X Server 10.2.5
+ Apple Mac OS X Server 10.2.5
+ Apple Mac OS X Server 10.2.4
+ Apple Mac OS X Server 10.2.4
+ Apple Mac OS X Server 10.2.3
+ Apple Mac OS X Server 10.2.3
+ Apple Mac OS X Server 10.2.2
+ Apple Mac OS X Server 10.2.2
+ Apple Mac OS X Server 10.2.1
+ Apple Mac OS X Server 10.2.1
+ Apple Mac OS X Server 10.2
+ Apple Mac OS X Server 10.2
Apple Safari 1.1
Apple Safari 1.0
+ Apple Mac OS X 10.2.8
+ Apple Mac OS X 10.2.8
+ Apple Mac OS X 10.2.7
+ Apple Mac OS X 10.2.7
+ Apple Mac OS X 10.2.6
+ Apple Mac OS X 10.2.6
+ Apple Mac OS X 10.2.5
+ Apple Mac OS X 10.2.5
+ Apple Mac OS X 10.2.4
+ Apple Mac OS X 10.2.4
+ Apple Mac OS X 10.2.3
+ Apple Mac OS X 10.2.3
+ Apple Mac OS X 10.2.2
+ Apple Mac OS X 10.2.2
+ Apple Mac OS X 10.2.1
+ Apple Mac OS X 10.2.1
+ Apple Mac OS X 10.2
+ Apple Mac OS X 10.2
+ Apple Mac OS X Server 10.2.8
+ Apple Mac OS X Server 10.2.7
+ Apple Mac OS X Server 10.2.7
+ Apple Mac OS X Server 10.2.6
+ Apple Mac OS X Server 10.2.6
+ Apple Mac OS X Server 10.2.5
+ Apple Mac OS X Server 10.2.5
+ Apple Mac OS X Server 10.2.4
+ Apple Mac OS X Server 10.2.4
+ Apple Mac OS X Server 10.2.3
+ Apple Mac OS X Server 10.2.3
+ Apple Mac OS X Server 10.2.2
+ Apple Mac OS X Server 10.2.2
+ Apple Mac OS X Server 10.2.1
+ Apple Mac OS X Server 10.2.1
+ Apple Mac OS X Server 10.2
+ Apple Mac OS X Server 10.2
Apple Safari Beta 2
Apple Safari 4 Beta
Apple Safari 4 Beta
Apple Safari 3.2
Apple Safari 3.1 for Windows
Apple Safari 3.1
Apple Safari 3 Beta for Windows
Apple Safari 3 Beta
Apple Safari 3
Not Vulnerable: Apple Safari 4 for Windows
Apple Safari 4

Discussion

WebKit JavaScript 'onload()' Event Cross Domain Scripting Vulnerability

WebKit is prone to a cross-domain scripting vulnerability because it fails to properly restrict the access of JavaScript code when loading new webpages.

A remote attacker can exploit this vulnerability to bypass the same-origin policy and obtain potentially sensitive information or to launch spoofing attacks against other sites. Other attacks are also possible.

NOTE: This issue was previously covered in BID 35260 (Apple Safari Prior to 4.0 Multiple Security Vulnerabilities), but has been assigned its own record to better document it.

Exploit / POC

WebKit JavaScript 'onload()' Event Cross Domain Scripting Vulnerability

To exploit this issue, an attacker must entice an unsuspecting victim into visiting a malicious webpage.

The following proof of concept is available:

Solution / Fix

WebKit JavaScript 'onload()' Event Cross Domain Scripting Vulnerability

Solution:
Updates are available. Please see the references for details.


Apple Safari 3

Debian Linux 5.0 ia-64

Debian Linux 5.0 alpha

Debian Linux 5.0 ia-32

Debian Linux 5.0 s/390

Apple Safari 3 Beta for Windows

Debian Linux 5.0 mipsel

Apple Safari 3.1 for Windows

Apple Safari 4 Beta

Debian Linux 5.0 hppa

Apple Safari 3.1

Apple Safari 3.2

Debian Linux 5.0 m68k

Debian Linux 5.0 arm

Debian Linux 5.0 armel

Debian Linux 5.0

Apple Safari 4 Beta

Debian Linux 5.0 amd64

Apple Safari Beta 2

Debian Linux 5.0 mips

Debian Linux 5.0 powerpc

Apple Safari 3 Beta

Debian Linux 5.0 sparc

Apple Safari 1.0

Apple Safari 1.1

Apple Safari 1.2

Apple Safari 1.2.1

Apple Safari 1.2.2

Apple Safari 1.2.3

Apple Safari 1.3

Apple Safari 1.3.1

Apple Safari 1.3.2

Apple Safari 2.0.1

Apple Safari 2.0.2

Apple Safari 2.0.3

Apple Safari 2.0.4

Apple Safari 3.0.1 Beta

Apple Safari 3.0.1 Beta for Windows

Apple Safari 3.0.2 Beta

Apple Safari 3.0.2 Beta for Windows

Apple Safari 3.0.3 Beta

Apple Safari 3.0.3 Beta for Windows

Apple Safari 3.0.4 Beta for Windows

Apple Safari 3.1.1

Apple Safari 3.1.1 for Windows

Apple Safari 3.1.2 for Windows

Apple Safari 3.1.2

Apple Safari For Windows 3.2.1

Apple Safari 3.2.2 for Windows

Apple Safari 3.2.3

References

WebKit JavaScript 'onload()' Event Cross Domain Scripting Vulnerability

References:

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