Port Blocking BYPASS

firefox is vulnerable to port blocking bypass. Ports that were written as an integer overflow above the bounds of a 16-bit integer could have bypassed port blocking restrictions when used in the Alt-Svc header...

Mozilla Firefox < 88.0

The version of Firefox installed on the remote macOS or Mac OS X host is prior to 88.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2021-16 advisory. - Mozilla developers and community members Ryan VanderMeulen, Sean Feng, Tyson Smith, Julian Seward, Christian...

Information Disclosure

firefox is vulnerable to information disclosure. The HTTP Alternative Services header Alt-Svc can be used by a malicious site to scan all TCP ports of any host that the accessible to a user when web content is loaded...

Security update for MozillaFirefox (important)

openSUSE Security Update: Security update for MozillaFirefox Announcement ID: openSUSE-SU-2019:2251-1 Rating: important References: 1109465 1117473 1123482 1124525 1133810 1138688 1140868 1141322 1145665 1149292 1149293 1149294 1149295 1149296 1149297 1149298 1149299 1149302 1149303 1149304 11493...

CVE-2019-11728

The HTTP Alternative Services header, Alt-Svc, can be used by a malicious site to scan all TCP ports of any host that the accessible to a user when web content is loaded. This vulnerability affects Firefox 68...

CVE-2019-11728

CVE-2019-11728 affects Mozilla Firefox prior to 68. The issue arises from the Alt-Svc (HTTP Alt-Svc) header which a malicious site can leverage to scan all TCP ports of hosts reachable by a user when web content is loaded. Impact is limited to information exposure via port discovery; no explicit ...

CVE-2019-11728

The HTTP Alternative Services header, Alt-Svc, can be used by a malicious site to scan all TCP ports of any host that the accessible to a user when web content is loaded. This vulnerability affects Firefox 68...

CVE-2019-11728

The HTTP Alternative Services header, Alt-Svc, can be used by a malicious site to scan all TCP ports of any host that the accessible to a user when web content is loaded. This vulnerability affects Firefox 68...

Mozilla Firefox Input Validation Error Vulnerability (CNVD-2019-29579)

Mozilla Firefox is an open source web browser from the Mozilla Foundation in the United States. A security vulnerability exists in Mozilla Firefox versions prior to 68. A remote attacker can exploit this vulnerability to bypass security restrictions and scan all TCP ports on any host using the...

UBUNTU-CVE-2019-11728

The HTTP Alternative Services header, Alt-Svc, can be used by a malicious site to scan all TCP ports of any host that the accessible to a user when web content is loaded. This vulnerability affects Firefox 68...

CVE-2019-11728

The HTTP Alternative Services header, Alt-Svc, can be used by a malicious site to scan all TCP ports of any host that the accessible to a user when web content is loaded. This vulnerability affects Firefox 68...

Hsecscan - A Security Scanner For HTTP Response Headers

hsecscan A security scanner for HTTP response headers. Requirements Python 2.x Usage $ ./hsecscan.py usage: hsecscan.py -h -P -p -u URL -R -U User-Agent -d 'POST data' -x PROXY A security scanner for HTTP response headers. optional arguments: -h, --help show this help message and exit -P,...

Mozilla Firefox < 37.0.1 HTTP/2 Alt-Svc Header SSL MitM

Binary data 8743.prm...

Mozilla Firefox Man-in-the-Middle Attack Vulnerability

Mozilla Firefox is a web browser developed by the Mozilla Foundation in conjunction with the open source community. A security vulnerability in the Mozilla Firefox HTTP Alternative Services feature allows attackers to bypass SSL services and conduct man-in-the-middle attacks by specifying a...

openSUSE Security Update : MozillaFirefox / MozillaThunderbird / mozilla-nspr (openSUSE-2015-290)

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 : - Miscellaneou...

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...

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 (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...

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...