netty: Request smuggling via content-length header

A flaw was found in Netty. There is an issue where the content-length header is not validated correctly if the request uses a single Http2HeaderFrame with the endstream set to true. This flaw leads to request smuggling if the request is proxied to a remote peer and translated to HTTP/1.1. The...

CLSA-2021-1632262221 Fix of CVE: CVE-2020-8517, CVE-2021-28651, CVE-2020-15049, CVE-2020-8449, CVE-2020-8450, CVE-2020-24606, CVE-2020-25097, CVE-2020-11945, CVE-2020-14058

CVE-2020-15049: fix incorrect validation of Content-Length field leading to Http smuggling and Poisoning attack - CVE-2020-14058: fix handling of unknown SSL errors which resulted in denial of service - CVE-2020-25097: fix improper input validation allowing HTTP smuggling from trusted client -...

HAProxy Found Vulnerable to Critical HTTP Request Smuggling Attack

A critical security vulnerability has been disclosed in HAProxy, a widely used open-source load balancer and proxy server, that could be abused by an adversary to possibly smuggle HTTP requests, resulting in unauthorized access to sensitive data and execution of arbitrary commands, effectively...

USN-5063-1 haproxy vulnerabilities

Ori Hollander discovered that HAProxy incorrectly handled HTTP header name length encoding. A remote attacker could possibly use this issue to inject a duplicate content-length header and perform request smuggling attacks...

CLSA-2021-1629902677 Fix of CVE: CVE-2020-14058, CVE-2020-15049

CVE-2020-14058: fix handling of unknown SSL errors which resulted in denial of service - CVE-2020-15049: fix incorrect validation of Content-Length field leading to Http smuggling and Poisoning attack...

Fix of CVE: CVE-2020-14058, CVE-2020-15049

CVE-2020-14058: fix handling of unknown SSL errors which resulted in denial of service - CVE-2020-15049: fix incorrect validation of Content-Length field leading to Http smuggling and Poisoning attack...

CVE-2021-21295

In Netty io.netty:netty-codec-http2 before version 4.1.60.Final there is a vulnerability that enables request smuggling. If a Content-Length header is present in the original HTTP/2 request, the field is not validated by Http2MultiplexHandler as it is propagated up. This is fine as long as the...

Heap overflow

An issue was discovered in HCC embedded InterNiche 4.0.1. A potential heap buffer overflow exists in the code that parses the HTTP POST request, due to an incorrect signed integer comparison. This vulnerability requires the attacker to send a malformed HTTP packet with a negative Content-Length,...

netty: Request smuggling via content-length header

A flaw was found in Netty. There is an issue where the content-length header is not validated correctly if the request uses a single Http2HeaderFrame with the endstream set to true. This flaw leads to request smuggling if the request is proxied to a remote peer and translated to HTTP/1.1. The...

netty: possible request smuggling in HTTP/2 due missing validation

In Netty io.netty:netty-codec-http2 before version 4.1.60.Final there is a vulnerability that enables request smuggling. If a Content-Length header is present in the original HTTP/2 request, the field is not validated by Http2MultiplexHandler as it is propagated up. This is fine as long as the...

Charity Management System CMS 1.0 - Multiple Vulnerabilities

Exploit Title: Charity Management System CMS 1.0 - Multiple Vulnerabilities Date: 18/08/2021 Exploit Author: Davide 't0rt3ll1n0' Taraschi Vendor Homepage: https://www.sourcecodester.com/users/tips23 Software Link:...

netty: HttpObjectDecoder.java allows Content-Length header to accompanied by second Content-Length header

A flaw was found in Netty before version 4.1.44, where it accepted multiple Content-Length headers and also accepted both Transfer-Encoding, as well as Content-Length headers where it should reject the message under such circumstances. In circumstances where Netty is used in the context of a...

RHEL 8 : varnish:6 (RHSA-2021:2988)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:2988 advisory. Varnish Cache is a high-performance HTTP accelerator. It stores web pages in memory so web servers don't have to create the same web page over and ov...

CentOS 8 : varnish:6 (CESA-2021:2988)

The remote CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CESA-2021:2988 advisory. - varnish: HTTP/2 request smuggling attack via a large Content-Length header for a POST request CVE-2021-36740 Note that Nessus has not tested for this issue bu...

varnish: HTTP/2 request smuggling attack via a large Content-Length header for a POST request

A flaw was found in Varnish. The Varnish Cache, with HTTP/2 enabled, allows request smuggling and VCL authorization bypass via a large Content-Length header for a POST request. As a result, this flaw allows the information on the Varnish cache to be poisoned. The highest threat from this...

Oracle Linux 8 : varnish:6 (ELSA-2021-2988)

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2021-2988 advisory. - Resolves: 1982861 - CVE-2021-36740 varnish:6/varnish: HTTP/2 request smuggling attack via a large Content-Length header for a POST request varnish-modules...

varnish:6 security update

varnish 6.0.6-2.1 - Resolves: 1982861 - CVE-2021-36740 varnish:6/varnish: HTTP/2 request smuggling attack via a large Content-Length header for a POST request varnish-modules 0.15.0-5 - Related: 1795673 - RFE: rebase varnish:6 to latest 6.0.x LTS...

varnish: HTTP/2 request smuggling attack via a large Content-Length header for a POST request

A flaw was found in Varnish. The Varnish Cache, with HTTP/2 enabled, allows request smuggling and VCL authorization bypass via a large Content-Length header for a POST request. As a result, this flaw allows the information on the Varnish cache to be poisoned. The highest threat from this...

Important: varnish:6 security update

Varnish Cache is a high-performance HTTP accelerator. It stores web pages in memory so web servers don't have to create the same web page over and over again, giving the website a significant speed up. Security Fixes: varnish: HTTP/2 request smuggling attack via a large Content-Length header for ...

RLSA-2021:2988 Important: varnish:6 security update

Varnish Cache is a high-performance HTTP accelerator. It stores web pages in memory so web servers don't have to create the same web page over and over again, giving the website a significant speed up. Security Fixes: varnish: HTTP/2 request smuggling attack via a large Content-Length header for ...