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Advisory: Google Chrome Carriage Return Null Object Memory Exhaustion Remote Dos.

Version Affected:

Chrome/0.2.149.30

Chrome/0.2.149.29

Severity: High

Idenitifer: BID 31375

Description:

The Google chrome browser is vulnerable to memory exhaustion based denial of service which can be triggered remotely.The vulnerability triggers when Carriage Return(\r\n\r\n) is passed as an argument to window.open() function. It makes the Google Chrome to generate number of windows at the same time thereby leading to memory exhaustion. The behavior can be easily checked by looking at the task manager as with no time the memory usage rises high. The problem lies in the handling of object and its value returned by the javascript function. Once it is triggered the pop ups are started generating. The Google Chrome browser generate object windows continuously there by affecting memory of the resultant system. Probably it can be crashed within no time. User interaction is required in this.

Proof of Concept:

http://www.secniche.org/gds

Detection:

SecNiche confirmed this vulnerability affects Google Chrome on Microsoft Windows XP SP2 platform.The versions tested are:

Chrome/0.2.149.30

Chrome/0.2.149.291

Disclosure Timeline:

Disclosed: 22 September 2008

Release Date. September 24 ,2008

Vendor Response:

Google acknowledges this vulnerability.

Fixed: r3568

Credit:

Aditya K Sood

Disclaimer:

The information in the advisory is believed to be accurate at the time of publishing based on currently available information. Use of the information constitutes acceptance for use in an AS IS condition. There is no representation or warranties, either express or implied by or with respect to anything in this document, and shall not be liable for a ny implied warranties of merchantability or fitness for a particular purpose or for any indirect special or consequential damages.