Attacks/Breaches
5/11/2011
10:09 PM
Connect Directly
Google+
Twitter
RSS
E-Mail
50%
50%

Google, VUPEN Spar Over Chrome Hack

If bypass of Chrome's sandbox indeed used a new Flash vulnerability in the browser, then it's both a Flash bug and a Chrome hack, says security researcher Dan Kaminksy.

The Google Chrome browser hack revealed this week could come down to a dispute over third-party software: A Google security expert says a zero-day flaw discovered by VUPEN Security researchers to bypass the browser's sandbox actually lies in Adobe Flash. But VUPEN isn't budging on its claims that its researchers successfully "owned" the browser software itself.

But for now, only VUPEN and its "three-letter" government agency customers know the details about the two zero-day vulnerabilities that VUPEN says it exploited and successfully used to bypass Chrome's sandbox and other security features.

"Nobody knows how we bypassed Google Chrome's sandbox except us and our customers, and any claim is a pure speculation," says Chaouki Bekrar, CEO and head of research at VUPEN. "We will not reveal the details on how we achieved the full compromise of Chrome and its sandbox. We can, however, say that we did use the default and built-in attack surface of the browser without using a Windows kernel vulnerability. All users of Chrome should be aware now that this browser can be fully hacked despite its famous sandbox and despite all the marketing that Google has been doing around its security."

Bekrar would neither confirm nor deny whether his firm found the bug in Chrome's Flash plug-in implementation, which comes with the browser. But he did say this when asked about it: "Google Chrome sandboxes all its default plug-ins; thus, exploiting a plug-in vulnerability is not enough to bypass the sandbox."

Google, meanwhile, is challenging VUPEN's claims of a bug in Chrome. Google security researcher Tavis Ormandy said in a Twitter post that "VUPEN misunderstood how sandboxing worked in chrome, and only had a flash bug."

A Google spokesperson said the Chrome team is still investigating VUPEN's claim that it hacked Chrome's famed sandbox feature. Chrome's sandbox, along with its use of Microsoft's DEP and ASLR technologies, thus far has made the browser relatively impenetrable to hackers.



Read the rest of this article on Dark Reading.

Comment  | 
Print  | 
More Insights
Register for Dark Reading Newsletters
White Papers
Cartoon
Current Issue
Dark Reading, September 16, 2014
Malicious software is morphing to be more targeted, stealthy, and destructive. Are you prepared to stop it?
Flash Poll
Video
Slideshows
Twitter Feed
Dark Reading - Bug Report
Bug Report
Enterprise Vulnerabilities
From DHS/US-CERT's National Vulnerability Database
CVE-2014-0993
Published: 2014-09-15
Buffer overflow in the Vcl.Graphics.TPicture.Bitmap implementation in the Visual Component Library (VCL) in Embarcadero Delphi XE6 20.0.15596.9843 and C++ Builder XE6 20.0.15596.9843 allows remote attackers to execute arbitrary code via a crafted BMP file.

CVE-2014-2375
Published: 2014-09-15
Ecava IntegraXor SCADA Server Stable 4.1.4360 and earlier and Beta 4.1.4392 and earlier allows remote attackers to read or write to arbitrary files, and obtain sensitive information or cause a denial of service (disk consumption), via the CSV export feature.

CVE-2014-2376
Published: 2014-09-15
SQL injection vulnerability in Ecava IntegraXor SCADA Server Stable 4.1.4360 and earlier and Beta 4.1.4392 and earlier allows remote attackers to execute arbitrary SQL commands via unspecified vectors.

CVE-2014-2377
Published: 2014-09-15
Ecava IntegraXor SCADA Server Stable 4.1.4360 and earlier and Beta 4.1.4392 and earlier allows remote attackers to discover full pathnames via an application tag.

CVE-2014-3077
Published: 2014-09-15
IBM SONAS and System Storage Storwize V7000 Unified (aka V7000U) 1.3.x and 1.4.x before 1.4.3.4 store the chkauth password in the audit log, which allows local users to obtain sensitive information by reading this log file.

Best of the Web
Dark Reading Radio
Archived Dark Reading Radio
CISO Insider: An Interview with James Christiansen, Vice President, Information Risk Management, Office of the CISO, Accuvant