About the security content of SwiftNIO HTTP/2 1.5.0

About the security content of SwiftNIO HTTP/2 1.5.0 This document describes the security content of SwiftNIO HTTP/2 1.5.0. About Apple security updates For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or...

CVE-2019-9512

Some HTTP/2 implementations are vulnerable to ping floods, potentially leading to a denial of service. The attacker sends continual pings to an HTTP/2 peer, causing the peer to build an internal queue of responses. Depending on how efficiently this data is queued, this can consume excess CPU,...

CVE-2019-9515

Some HTTP/2 implementations are vulnerable to a settings flood, potentially leading to a denial of service. The attacker sends a stream of SETTINGS frames to the peer. Since the RFC requires that the peer reply with one acknowledgement per SETTINGS frame, an empty SETTINGS frame is almost...

CVE-2019-9516: Uncontrolled Resource Consumption

Some HTTP/2 implementations are vulnerable to a header leak, potentially leading to a denial of service. The attacker sends a stream of headers with a 0-length header name and 0-length header value, optionally Huffman encoded into 1-byte or greater headers. Some implementations allocate memory fo...

KLA11534 Multiple vulnerabilities in Microsoft Windows

Multiple vulnerabilities were found in Microsoft Windows. Malicious users can exploit these vulnerabilities to obtain sensitive information, execute arbitrary code, gain privileges, cause denial of service, spoof user interface, bypass security restrictions. Below is a complete list of...

h2o -- multiple HTTP/2 vulnerabilities

Jonathon Loomey of Netflix reports: HTTP/2 implementations do not robustly handle abnormal traffic and resource exhaustion Recently, a series of DoS attack vulnerabilities have been reported on a broad range of HTTP/2 stacks. Among the vulnerabilities, H2O is exposed to the following: CVE-2019-95...

traefik -- Denial of service in HTTP/2

The traefik project reports: Update of dependency to go go1.12.8 resolves potential HTTP/2 denial of service in traefik...

KB4511553: Windows 10 Version 1809 and Windows Server 2019 August 2019 Security Update

The remote Windows host is missing security update 4511553. It is, therefore, affected by multiple vulnerabilities : - An elevation of privilege vulnerability exists in the way that the Windows kernel image handles objects in memory. An attacker who successfully exploited the vulnerability could...

CVE-2019-9514

Some HTTP/2 implementations are vulnerable to a reset flood, potentially leading to a denial of service. The attacker opens a number of streams and sends an invalid request over each stream that should solicit a stream of RSTSTREAM frames from the peer. Depending on how the peer queues the...

KB4512508: Windows 10 Version 1903 August 2019 Security Update

The remote Windows host is missing security update 4512508. It is, therefore, affected by multiple vulnerabilities : - An elevation of privilege vulnerability exists in the way that the Windows kernel image handles objects in memory. An attacker who successfully exploited the vulnerability could...

NewStart CGSL MAIN 4.05 : firefox Multiple Vulnerabilities (NS-SA-2019-0103)

The remote NewStart CGSL host, running version MAIN 4.05, has firefox packages installed that are affected by multiple vulnerabilities: - A buffer overflow in WebGL triggerable by web content, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird 52.1, Firefox ESR...

Amazon Linux 2 : thunderbird (ALAS-2019-1267)

When an inner window is reused, it does not consider the use of document.domain for cross-origin protections. If pages on different subdomains ever cooperatively use document.domain, then either page can abuse this to inject script into arbitrary pages on the other subdomain, even those that did...

Critical: thunderbird

Issue Overview: When an inner window is reused, it does not consider the use of document.domain for cross-origin protections. If pages on different subdomains ever cooperatively use document.domain, then either page can abuse this to inject script into arbitrary pages on the other subdomain, even...

openSUSE Security Update : tomcat (openSUSE-2019-1808)

This update for tomcat to version 9.0.21 fixes the following issues : Security issues fixed : - CVE-2019-0199: Fixed a denial of service in the HTTP/2 implementation related to streams with excessive numbers of SETTINGS frames bsc1131055. - CVE-2019-0221: Fixed a cross site scripting vulnerabilit...

Amazon Linux AMI : tomcat8 (ALAS-2019-1234)

The HTTP/2 implementation in Apache Tomcat accepted streams with excessive numbers of SETTINGS frames and also permitted clients to keep streams open without reading/writing request/response data. By keeping streams open for requests that utilised the Servlet API's blocking I/O, clients were able...

EulerOS 2.0 SP8 : tomcat (EulerOS-SA-2019-1772)

According to the versions of the tomcat packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - When the default servlet in Apache Tomcat versions 9.0.0.M1 to 9.0.11, 8.5.0 to 8.5.33 and 7.0.23 to 7.0.90 returned a redirect to a directory...

Security update for tomcat (moderate)

openSUSE Security Update: Security update for tomcat Announcement ID: openSUSE-SU-2019:1808-1 Rating: moderate References: 1111966 1131055 1136085 Cross-References: CVE-2019-0199 CVE-2019-0221 Affected Products: openSUSE Leap 15.1 An update that solves two vulnerabilities and has one errata is no...

CVE-2019-11713

A use-after-free vulnerability can occur in HTTP/2 when a cached HTTP/2 stream is closed while still in use, resulting in a potentially exploitable crash. This vulnerability affects Firefox ESR 60.8, Firefox 68, and Thunderbird 60.8...

CVE-2019-11713

A use-after-free vulnerability can occur in HTTP/2 when a cached HTTP/2 stream is closed while still in use, resulting in a potentially exploitable crash. This vulnerability affects Firefox ESR 60.8, Firefox 68, and Thunderbird 60.8...

Design/Logic Flaw

A use-after-free vulnerability can occur in HTTP/2 when a cached HTTP/2 stream is closed while still in use, resulting in a potentially exploitable crash. This vulnerability affects Firefox ESR 60.8, Firefox 68, and Thunderbird 60.8...