Security update for MozillaFirefox, MozillaThunderbird, mozilla-nspr (important)

Mozilla Firefox and Thunderbird were updated to fix several important vulnerabilities. Mozilla Firefox was updated to 37.0.1. Mozilla Thunderbird was updated to 31.6.0. mozilla-nspr was updated to 4.10.8 as a dependency. The following vulnerabilities were fixed in Mozilla Firefox: Miscellaneous...

CVE-2015-0799

The HTTP Alternative Services feature in Mozilla Firefox before 37.0.1 allows man-in-the-middle attackers to bypass an intended X.509 certificate-verification step for an SSL server by specifying that server in the uri-host field of an Alt-Svc HTTP/2 response header...

Vulnerability Forces Mozilla to Disable Opportunistic Encryption in Firefox

Less than a week after introducing the new opportunistic encryption feature in Firefox, Mozilla has had to disable it because of a security vulnerability in the browser’s implementation of the HTTP Alternative Services specification. The bug puts a kink in the new feature, which was designed to...

CVE-2015-0799

The HTTP Alternative Services feature in Mozilla Firefox before 37.0.1 allows man-in-the-middle attackers to bypass an intended X.509 certificate-verification step for an SSL server by specifying that server in the uri-host field of an Alt-Svc HTTP/2 response header...

Firefox < 37.0.1 HTTP/2 Alt-Svc Header Certificate Verification Bypass (Mac OS X)

The version of Firefox installed on the remote Mac OS X host is prior to 37.0.1. It is, therefore, affected by an error related to the HTTP/2 'Alt-Svc' header and SSL certificate verification, which allows man-in-the-middle MitM attacks. C Tenable Network Security, Inc. include"compat.inc"; if...

FreeBSD : mozilla -- multiple vulnerabilities (b8321d76-24e7-4b72-a01d-d12c4445d826)

The Mozilla Project reports : MFSA 2015-44 Certificate verification bypass through the HTTP/2 Alt-Svc header MFSA 2015-43 Loading privileged content through Reader mode %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from...

Firefox < 37.0.1 HTTP/2 Alt-Svc Header Certificate Verification Bypass

The version of Firefox installed on the remote Windows host is prior to 37.0.1. It is, therefore, affected by an error related to the HTTP/2 'Alt-Svc' header and SSL certificate verification, which allows man-in-the-middle MitM attacks. C Tenable Network Security, Inc. include"compat.inc"; if...

Mozilla Firefox SSL Certificate Verification Bypass Vulnerability (Apr 2015) - Mac OS X

Mozilla Firefox is prone to a security bypass vulnerability. SPDX-FileCopyrightText: 2015 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:mozilla:firefox";...

Mozilla Firefox SSL Certificate Verification Bypass Vulnerability (Apr 2015) - Windows

Mozilla Firefox is prone to a security bypass vulnerability. SPDX-FileCopyrightText: 2015 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:mozilla:firefox";...

Firefox 37 arrives with Opportunistic Encryption support

Mozilla has rolled out the latest Version 37 of its Firefox browser for Windows desktop, Mac, Linux and Android operating systems. The new release also adds patches for 13 different security advisories along with some new security improvements as well as user-experience features. The biggest...

Certificate verification bypass through the HTTP/2 Alt-Svc header — Mozilla

Security researcher Muneaki Nishimura discovered a flaw in the Mozilla's HTTP Alternative Services implementation. If an Alt-Svc header is specified in the HTTP/2 response, SSL certificate verification can be bypassed for the specified alternate server. As a result of this, warnings of invalid SS...

mozilla -- multiple vulnerabilities

The Mozilla Project reports: MFSA 2015-44 Certificate verification bypass through the HTTP/2 Alt-Svc header MFSA 2015-43 Loading privileged content through Reader mode...

Mozilla Adds Opportunistic Encryption for HTTP in Firefox 37

Mozilla has released Firefox 37, and along with the promised addition of the OneCRL certificate revocation list, the company has included a feature that enables opportunistic encryption on connections for servers that don’t support HTTPS. The new feature gives users a new defense against some for...

What is HTTP/2 ? Next-Gen Protocol For Faster and Safer Internet

Good news for Internet folks! Get Ready as the entire web you know is about to change. The new and long-awaited version of HTTP took a major step toward becoming a reality on Wednesday – It is been officially finalized and approved. Mark Nottingham, chairman of the Internet Engineering Task Force...

openSUSE Security Update : MozillaFirefox (openSUSE-SU-2014:1581-1)

This MozillaFirefox update fixes several security and non security issues. Changes in MozillaFirefox : - update to Firefox 34.0.5 bnc908009 - Default search engine changed to Yahoo! for North America - Default search engine changed to Yandex for Belarusian, Kazakh, and Russian locales - Improved...

CVE-2014-1582

The Public Key Pinning PKP implementation in Mozilla Firefox before 33.0 does not properly consider the connection-coalescing behavior of SPDY and HTTP/2 in the case of a shared IP address, which allows man-in-the-middle attackers to bypass an intended pinning configuration and spoof a web site b...

CVE-2014-1582

The Public Key Pinning PKP implementation in Mozilla Firefox before 33.0 does not properly consider the connection-coalescing behavior of SPDY and HTTP/2 in the case of a shared IP address, which allows man-in-the-middle attackers to bypass an intended pinning configuration and spoof a web site b...

CVE-2014-1582

CVE-2014-1582 affects Mozilla Firefox prior to 33.0, where the Public Key Pinning (PKP) implementation fails to account for SPDY/HTTP2 connection-coalescing on shared IPs, allowing a MITM to bypass pins and spoof a site with a valid certificate from any recognized CA. The issue is tied to Firefox...

Firefox < 33.0 Multiple Vulnerabilities

The version of Firefox installed on the remote Windows host is a version prior to 33.0. It is, therefore, affected by the following vulnerabilities : - Multiple memory safety flaws exist within the browser engine. Exploiting these, an attacker can cause a denial of service or execute arbitrary...

Key pinning bypasses — Mozilla

Mozilla developer Patrick McManus reported a method to use SPDY or HTTP/2 connection coalescing to bypass key pinning on different sites that resolve to the same IP address.This could allow the use of a fraudulent certificate when a saved pin for that subdomain should have prevented the connectio...