CVE-2020-7238

A flaw was found in Netty, where it mishandles Transfer-Encoding whitespace. This flaw allows HTTP Request Smuggling. Mitigation Use HTTP/2 instead clear boundaries between requests Disable reuse of backend connections eg. http-reuse never in HAProxy or whatever equivalent LB settings...

Apache Tomcat does not properly handle an invalid Transfer-Encoding header

Apache Tomcat 5.5.0 through 5.5.29, 6.0.0 through 6.0.27, and 7.0.0 beta does not properly handle an invalid Transfer-Encoding header, which allows remote attackers to cause a denial of service application outage or obtain sensitive information via a crafted header that interferes with "recycling...

GHSA-CXG2-49RQ-8GCR Apache Tomcat does not properly handle an invalid Transfer-Encoding header

Apache Tomcat 5.5.0 through 5.5.29, 6.0.0 through 6.0.27, and 7.0.0 beta does not properly handle an invalid Transfer-Encoding header, which allows remote attackers to cause a denial of service application outage or obtain sensitive information via a crafted header that interferes with "recycling...

SAP Web Dispatcher HTTP Request Smuggling

Onapsis Security Advisory 2022-0001: HTTP Request Smuggling in SAP Web Dispatcher Impact on Business By injecting an HTTP request as a prefix into a victim's request, a malicious user is able to cause damage in different ways, such as producing a Denial of Service by setting an invalid request as...

GHSA-PQR5-9V2J-44XG Apache Tomcat DoS via Malicious Get Request

Tomcat 4.0 through 4.1.12, using modjk 1.2.1 module on Apache 1.3 through 1.3.27, allows remote attackers to cause a denial of service desynchronized communications via an HTTP GET request with a Transfer-Encoding chunked field with invalid values...

The vulnerability in the implementation of the Hypertext Transfer Protocol (HTTP/1.1) of the Eclipse Jetty server container allows a attacker to send hidden HTTP requests (HTTP Request Smuggling attack).

The vulnerability of the Hypertext Transfer Protocol HTTP/1.1 implementation in Eclipse Jetty servers is related to deficiencies in handling the Transfer-Encoding and Content-Length headers. Exploiting this vulnerability allows a malicious actor to send hidden HTTP requests remotely a type of HTT...

tomcat: HTTP request smuggling when used with a reverse proxy

Apache Tomcat 10.0.0-M1 to 10.0.6, 9.0.0.M1 to 9.0.46 and 8.5.0 to 8.5.66 did not correctly parse the HTTP transfer-encoding request header in some circumstances leading to the possibility to request smuggling when used with a reverse proxy. Specifically: - Tomcat incorrectly ignored the transfer...

Puma vulnerable to HTTP Request Smuggling

When using Puma behind a proxy that does not properly validate that the incoming HTTP request matches the RFC7230 standard, Puma and the frontend proxy may disagree on where a request starts and ends. This would allow requests to be smuggled via the front-end proxy to Puma. The following...

Node.js: HTTP Request Smuggling Due to Flawed Parsing of Transfer-Encoding

Summary: The llhttp parser in the http module in Node v17.8.0 does not correctly parse and validate Transfer-Encoding headers. This can lead to HTTP Request Smuggling HRS. Description: After 1501679, I did a bit more digging into the issue, and found that there were more flaws in the parsing of...

Node.js: HTTP Request Smuggling Due to Incorrect Parsing of Multi-line Transfer-Encoding

Summary: The llhttp parser in the http module in Node v17.6.0 does not correctly handle multi-line Transfer-Encoding headers. This can lead to HTTP Request Smuggling HRS. Description: When Node receives the following request: http GET / HTTP/1.1 Transfer-Encoding: chunked , identity 1 a 0 it...

ruby: Potential HTTP request smuggling in WEBrick

An issue was discovered in Ruby through 2.5.8, 2.6.x through 2.6.6, and 2.7.x through 2.7.1. WEBrick, a simple HTTP server bundled with Ruby, had not checked the transfer-encoding header value rigorously. An attacker may potentially exploit this issue to bypass a reverse proxy which also has a po...

ruby: Potential HTTP request smuggling in WEBrick

An issue was discovered in Ruby through 2.5.8, 2.6.x through 2.6.6, and 2.7.x through 2.7.1. WEBrick, a simple HTTP server bundled with Ruby, had not checked the transfer-encoding header value rigorously. An attacker may potentially exploit this issue to bypass a reverse proxy which also has a po...

The vulnerabilities of the Transfer-Encoding and Content-Length headers in the Netty network programming framework, related to deficiencies in HTTP request interpretation, allow attackers to compromise data integrity.

The vulnerability of the Transfer-Encoding and Content-Length headers in the Netty network programming framework is related to a lack of proper interpretation of HTTP requests. Exploiting this vulnerability allows an attacker to compromise the integrity of data...

CVE-2022-21907

HTTP Protocol Stack Remote Code Execution Vulnerability...

HTTP Request Smuggling

Overview std/net/http is a Go standard library package std/net/http Affected versions of this package are vulnerable to HTTP Request Smuggling. Go Vulnerability Report: HTTP headers were not properly parsed, which allows remote attackers to conduct HTTP request smuggling attacks via a request tha...

GO-2021-0159 Request smuggling due to improper header parsing in net/http

HTTP headers were not properly parsed, which allows remote attackers to conduct HTTP request smuggling attacks via a request that contains Content-Length and Transfer-Encoding header fields...

FreeBSD : routinator -- multiple vulnerabilities (9c990e67-6e30-11ec-82db-b42e991fc52e)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the 9c990e67-6e30-11ec-82db-b42e991fc52e advisory. - NLnet Labs Routinator prior to 0.10.2 happily processes a chain of RRDP repositories of...

tomcat: HTTP request smuggling when used with a reverse proxy

Apache Tomcat 10.0.0-M1 to 10.0.6, 9.0.0.M1 to 9.0.46 and 8.5.0 to 8.5.66 did not correctly parse the HTTP transfer-encoding request header in some circumstances leading to the possibility to request smuggling when used with a reverse proxy. Specifically: - Tomcat incorrectly ignored the transfer...

tomcat: HTTP request smuggling when used with a reverse proxy

Apache Tomcat 10.0.0-M1 to 10.0.6, 9.0.0.M1 to 9.0.46 and 8.5.0 to 8.5.66 did not correctly parse the HTTP transfer-encoding request header in some circumstances leading to the possibility to request smuggling when used with a reverse proxy. Specifically: - Tomcat incorrectly ignored the transfer...

openSUSE 15 Security Update : tomcat (openSUSE-SU-2021:1490-1)

The remote SUSE Linux SUSE15 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2021:1490-1 advisory. - A vulnerability in the JNDI Realm of Apache Tomcat allows an attacker to authenticate using variations of a valid user name and/or to...