haproxy: Proxy forwards malformed empty Content-Length headers

A flaw was found in HAProxy. Empty Content-Length headers are forwarded, which could cause an HTTP/1 server behind it to interpret the payload as an extra request. This may render the HTTP/1 server vulnerable to attacks in some uncommon cases...

DEBIAN-CVE-2023-47641

aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. Affected versions of aiohttp have a security vulnerability regarding the inconsistent interpretation of the http protocol. HTTP/1.1 is a persistent protocol, if both Content-LengthCL and Transfer-EncodingTE header...

Rocky Linux 8 : varnish:6 (RLSA-2021:2988)

The remote Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2021:2988 advisory. - Varnish Cache, with HTTP/2 enabled, allows request smuggling and VCL authorization bypass via a large Content-Length header for a POST request. This affects...

The vulnerability of HTTP servers for Ruby/Rack applications developed with Puma allows attackers to send hidden HTTP requests (HTTP Request Smuggling attack).

The vulnerability of HTTP servers for Ruby/Rack applications developed with Puma is related to deficiencies in the processing of HTTP requests containing the Content-Length header. Exploiting this vulnerability allows a malicious actor to send hidden HTTP requests a type of HTTP Request Smuggling...

Amazon Linux 2 : tomcat (ALASTOMCAT9-2023-002)

The version of tomcat installed on the remote host is prior to 9.0.71-1. It is, therefore, affected by a vulnerability as referenced in the ALAS2TOMCAT9-2023-002 advisory. If Apache Tomcat 8.5.0 to 8.5.82, 9.0.0-M1 to 9.0.67, 10.0.0-M1 to 10.0.26 or 10.1.0-M1 to 10.1.0 was configured to ignore...

Important: tomcat

Issue Overview: If Apache Tomcat 8.5.0 to 8.5.82, 9.0.0-M1 to 9.0.67, 10.0.0-M1 to 10.0.26 or 10.1.0-M1 to 10.1.0 was configured to ignore invalid HTTP headers via setting rejectIllegalHeader to false the default for 8.5.x only, Tomcat did not reject a request containing an invalid Content-Length...

Medium: haproxy2

Issue Overview: HAProxy through 2.0.32, 2.1.x and 2.2.x through 2.2.30, 2.3.x and 2.4.x through 2.4.23, 2.5.x and 2.6.x before 2.6.15, 2.7.x before 2.7.10, and 2.8.x before 2.8.2 forwards empty Content-Length headers, violating RFC 9110 section 8.6. In uncommon cases, an HTTP/1 server behind...

Member Login Script 3.3 - Client-side desync Vulnerability

Title: Member Login Script 3.3 - Client-side desync Author: nu11secur1ty Vendor: https://www.phpjabbers.com/ Reference: https://portswigger.net/web-security/request-smuggling/browser/client-side-desync Description: The server appears to be vulnerable to client-side desync attacks. A POST request...

SUSE-SU-2023:3469-1 Security update for haproxy

This update for haproxy fixes the following issues: - CVE-2023-40225: Fixed request smuggling with empty content-length header value bsc1214102...

OESA-2023-1541 haproxy security update

HAProxy is a free, very fast and reliable solution offering high availability, load balancing, and proxying for TCP and HTTP-based applications. It is particularly suited for very high traffic web sites and powers quite a number of the world's most visited ones. Security Fixes: HAProxy through...

HAProxy through 2.0.32 2.1.x and 2.2.x through 2.2.30 2.3.x and 2.4.x through 2.4.23 2.5.x and 2.6.x before 2.6.15 2.7.x before 2.7.10 and 2.8.x before 2.8.2 forwards empty Content-Length headers violating RFC 9110 section 8.6. In uncommon cases an HTTP/1 server behind HAProxy may interpret the payload as an extra request.

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HTTP Request Smuggling

Overview puma is a simple, fast, threaded, and highly concurrent HTTP 1.1 server for Ruby/Rack applications. Puma is intended for use in both development and production environments. It's great for highly concurrent Ruby implementations such as Rubinius and JRuby as well as as providing process...

UBUNTU-CVE-2023-40175

Puma is a Ruby/Rack web server built for parallelism. Prior to versions 6.3.1 and 5.6.7, puma exhibited incorrect behavior when parsing chunked transfer encoding bodies and zero-length Content-Length headers in a way that allowed HTTP request smuggling. Severity of this issue is highly dependent ...

Puma 环境问题漏洞

Puma is a web server for highly concurrent applications by Evan Phoenix, an individual developer in the United States. An environmental issue vulnerability exists in Puma that stems from a security issue when parsing trailing fields and zero-length Content-Length headers in the body of the chunke...

PT-2023-8866 · Haproxy +8 · Haproxy +8

Name of the Vulnerable Software and Affected Versions: HAProxy versions 2.0.32 through 2.8.1 HAProxy versions 2.1.x HAProxy versions 2.2.x through 2.2.30 HAProxy versions 2.3.x HAProxy versions 2.4.x through 2.4.23 HAProxy versions 2.5.x HAProxy versions 2.6.x before 2.6.15 HAProxy versions 2.7.x...

HTTP Request Smuggling

protocol-http1 is vulnerable to HTTP Request Smuggling. The vulnerability exists in the read function of chunked.rb due to improper HTTP/1 implementation based on the RFC spec, such as allowing Content-Length header values with a + or 0x prefix, which can lead to HTTP request smuggling and firewa...

protocol-http1 HTTP Request/Response Smuggling vulnerability

Impact RFC 9112 Section 7.1 defined the format of chunk size, chunk data and chunk extension detailed ABNF is in Appendix section. In summary: - The value of Content-Length header should be a string of 0-9 digits. - The chunk size should be a string of hex digits and should split from chunk data...

Ubuntu 16.04 ESM / 18.04 ESM / 20.04 ESM / 22.04 LTS : Netty vulnerabilities (USN-6049-1)

The remote Ubuntu 16.04 ESM / 18.04 ESM / 20.04 ESM / 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6049-1 advisory. It was discovered that Netty's Zlib decoders did not limit memory allocations. A remote attacker could possibly use...

haproxy: request smuggling attack in HTTP/1 header parsing

A flaw was found in HAProxy's headers processing that causes HAProxy to drop important headers fields such as Connection, Content-length, Transfer-Encoding, and Host after having partially processed them. A maliciously crafted HTTP request could be used in an HTTP request smuggling attack to bypa...

Mageia: Security Advisory (MGASA-2023-0138)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 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 ifdescription...