April 5, 2015

CNNIC Certificates

I thought I had done a post earlier in regards to Mozilla Revoking Trust in one CNNIC Intermediate Certificate. Turns out I had not. Also had planned on posting more about this earlier this weekend as Mozilla took further actions against the CNNIC certificate authority on Thursday, April 2nd. I did mention this briefly in the Firefox 37.0.1 Released post, but wanted to take a moment and explain about this in a little more detail. About 2-weeks ago on March 23rd, from the Mozilla Security Blog: China Internet Network Information Center (CNNIC), a non-profit organization administrated by Cyberspace Administration of China…

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Mozilla released an emergency update to Firefox 37 on April 3, 2015 with Firefox 37.0.1. This update did address start-up crashes due to graphics hardware and third party software. However, there were two security fixes to address a couple recently released Mozilla Foundation Security Advisories (MFSA): MFSA 2015-44 Critical: Certificate verification bypass through the HTTP/2 Alt-Svc header [Firefox 37 Desktop] MFSA 2015-43 High: Loading privileged content through Reader mode [Firefox 37 Android/Firefox 38 Beta (Desktop)] The now disabled HTTP/2 Alt-Svc header aka Opportunistic Encryption For Firefox was introduced in the Firefox 37 from earlier in the week. There has been several security issues/breaches…

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