HTTP/2: flood using empty frames results in excessive resource consumption

A flaw was found in HTTP/2. Using frames with an empty payload, a flood could occur that results in excessive CPU usage and starvation of other clients. The highest threat from this vulnerability is to system availability...

The vulnerability of the fly-admin-printer print manager in the FLY operating system of Astra Linux allows a attacker to compromise data integrity, gain unauthorized access to protected information, and cause service failures.

The vulnerability of the fly-admin-printer print manager in the FLY operating system of Astra Linux is related to errors in processing empty tasks, as well as errors in renaming the printer. Exploiting this vulnerability allows a remote attacker to compromise data integrity, gain unauthorized...

HTTP/2: flood using empty frames results in excessive resource consumption

A flaw was found in HTTP/2. Using frames with an empty payload, a flood could occur that results in excessive CPU usage and starvation of other clients. The highest threat from this vulnerability is to system availability...

CVE-2019-5054

An exploitable denial-of-service vulnerability exists in the session handling functionality of the NETGEAR N300 WNR2000v5 with Firmware Version V1.0.0.70 HTTP server. An HTTP request with an empty User-Agent string sent to a page requiring authentication can cause a null pointer dereference,...

openSUSE Security Update : nodejs10 (openSUSE-2019-2114) (0-Length Headers Leak) (Data Dribble) (Empty Frames Flood) (Internal Data Buffering) (Ping Flood) (Reset Flood) (Resource Loop) (Settings Flood)

This update for nodejs10 to version 10.16.3 fixes the following issues : Security issues fixed : - CVE-2019-9511: Fixed HTTP/2 implementations that are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service bsc1146091. -...

Mozilla: Content security policy bypass through hash-based sources in directives

If a Content Security Policy CSP directive is defined that uses a hash-based source that takes the empty string as input, execution of any javascript: URIs will be allowed. This could allow for malicious JavaScript content to be run, bypassing CSP permissions. This vulnerability affects Firefox 6...

UBUNTU-CVE-2019-11738

If a Content Security Policy CSP directive is defined that uses a hash-based source that takes the empty string as input, execution of any javascript: URIs will be allowed. This could allow for malicious JavaScript content to be run, bypassing CSP permissions. This vulnerability affects Firefox 6...

SUSE SLES15 Security Update : nodejs10 (SUSE-SU-2019:2259-1) (0-Length Headers Leak) (Data Dribble) (Empty Frames Flood) (Internal Data Buffering) (Ping Flood) (Reset Flood) (Resource Loop) (Settings Flood)

This update for nodejs10 to version 10.16.3 fixes the following issues : Security issues fixed : CVE-2019-9511: Fixed HTTP/2 implementations that are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service bsc1146091. CVE-2019-9512...

SUSE-SU-2019:2259-1 Security update for nodejs10

This update for nodejs10 to version 10.16.3 fixes the following issues: Security issues fixed: - CVE-2019-9511: Fixed HTTP/2 implementations that are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service bsc1146091. -...

CVE-2016-10917

The search-everything plugin before 8.1.6 for WordPress has SQL injection related to empty search strings, a different vulnerability than CVE-2014-2316...

BELL-CVE-2019-15220 CVE-2019-15220 does not affect BellSoft software

Bulletin has no description...

August 2019 Security Releases

August 2019 Security Releases Node.js, as well as many other implementations of HTTP/2, have been found vulnerable to Denial of Service attacks. See https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-002.md for more information. Updates are now available for all...

CVE-2019-9518

Some HTTP/2 implementations are vulnerable to a flood of empty frames, potentially leading to a denial of service. The attacker sends a stream of frames with an empty payload and without the end-of-stream flag. These frames can be DATA, HEADERS, CONTINUATION and/or PUSHPROMISE. The peer spends ti...

ALPINE-CVE-2019-9518

Some HTTP/2 implementations are vulnerable to a flood of empty frames, potentially leading to a denial of service. The attacker sends a stream of frames with an empty payload and without the end-of-stream flag. These frames can be DATA, HEADERS, CONTINUATION and/or PUSHPROMISE. The peer spends ti...

DEBIAN-CVE-2019-9518

Some HTTP/2 implementations are vulnerable to a flood of empty frames, potentially leading to a denial of service. The attacker sends a stream of frames with an empty payload and without the end-of-stream flag. These frames can be DATA, HEADERS, CONTINUATION and/or PUSHPROMISE. The peer spends ti...

DEBIAN-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...

Design/Logic Flaw

Some HTTP/2 implementations are vulnerable to a flood of empty frames, potentially leading to a denial of service. The attacker sends a stream of frames with an empty payload and without the end-of-stream flag. These frames can be DATA, HEADERS, CONTINUATION and/or PUSHPROMISE. The peer spends ti...

CVE-2019-9518 Some HTTP/2 implementations are vulnerable to a flood of empty frames, potentially leading to a denial of service

Some HTTP/2 implementations are vulnerable to a flood of empty frames, potentially leading to a denial of service. The attacker sends a stream of frames with an empty payload and without the end-of-stream flag. These frames can be DATA, HEADERS, CONTINUATION and/or PUSHPROMISE. The peer spends ti...

HTTP/2 implementations do not robustly handle abnormal traffic and resource exhaustion

Overview Multiple HTTP/2 implementations are vulnerable to a variety of denial-of-service DoS attacks. Description The Security Considerations section of RFC7540 discusses some of the considerations needed for HTTP/2 connections as they demand more resources to operate than HTTP/1.1 connections...

CVE-2019-9518

Some HTTP/2 implementations are vulnerable to a flood of empty frames, potentially leading to a denial of service. The attacker sends a stream of frames with an empty payload and without the end-of-stream flag. These frames can be DATA, HEADERS, CONTINUATION and/or PUSHPROMISE. The peer spends ti...