Chromium Blog: February 2015

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Chromium Blog

News and developments from the open source browser project

Pwnium V: the never-ending* Pwnium

Tuesday, February 24, 2015

[Cross-posted on the Google Online Security Blog]Posted by
Pwnium competitione millionCanSecWest

Removing barriers to entry: At Pwnium competitions, a security researcher would need to have a bug chain in March, pre-register, have a physical presence at the competition location and hopefully get a good timeslot. Under the new scheme, security researchers can submit their bugs year-round through the Chrome Vulnerability Reward Program (VRP) whenever they find them.

Removing the incentive for bug hoarding: If a security researcher was to discover a Pwnium-quality bug chain today, it’s highly likely that they would wait until the contest to report it to get a cash reward. This is a bad scenario for all parties. It’s bad for us because the bug doesn’t get fixed immediately and our users are left at risk. It’s bad for them as they run the real risk of a bug collision. By allowing security researchers to submit bugs all year-round, collisions are significantly less likely and security researchers aren’t duplicating their efforts on the same bugs.

Our researchers want this: On top of all of these reasons, we asked our handful of participants if they wanted an option to report all year. They did, so we’re delivering.

Chrome VRPFAQ Chrome VRP page

Labels: security

Beta Channel for the Android WebView

Friday, February 13, 2015

[Cross-posted on the Android Blog]
Many Android apps use a WebView for displaying HTML content. In Android 5.0 Lollipop, Google has the ability to update WebView independently of the Android platform. Beginning today, developers can use a new beta channel to test the latest version of WebView and provide feedback. WebView updates bring numerous bug fixes, new web platform APIs and updates from Chromium. If you’re making use of the WebView in your app, becoming a beta channel tester will give you an early start with new APIs as well as the chance to test your app before the WebView rolls out to your users. The first version offered in the beta channel will be based on Chrome 40 and you can find a full list of changes on the chromium blog entry. To become a beta tester, join the community which will enable you to sign up for the Beta program; you’ll then be able to install the beta version of the WebView via the Play Store. If you find any bugs, please file them on the Chromium issue tracker.
Posted by Richard Coles - Software Engineer, Google London

Hello HTTP/2, Goodbye SPDY

Monday, February 9, 2015

HTTPRFC2616HTTP/2
HTTP/2’s primary changes from HTTP/1.1 focus on improved performance. Some key features such as multiplexing, header compression, prioritization and protocol negotiation evolved from work done in an earlier open, but non-standard protocol named SPDY. Chrome has supported SPDY since Chrome 6, but since most of the benefits are present in HTTP/2, it’s time to say goodbye. We plan to remove support for SPDY in early 2016, and to also remove support for the TLS extension named NPN in favor of ALPN in Chrome at the same time. Server developers are strongly encouraged to move to HTTP/2 and ALPN.
We’re happy to have contributed to the open standards process that led to HTTP/2, and hope to see wide adoption given the broad industry engagement on standardization and implementation. We also look forward to further advancements in fundamental Internet protocols that lead to a faster and more secure Internet for everyone.
Update: Beginning May 15, Chrome will no longer support SPDY.

Update: To better align with Chrome's release cycle, SPDY and NPN support will be removed with the release of Chrome 51.
Posted by Chris Bentzel, Multiplexing Manager and Bence Béky, HTTP/2 Enabler

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