undertow: invalid HTTP request with large chunk size

A flaw was found in Undertow, regarding the processing of invalid HTTP requests with large chunk sizes. This flaw allows an attacker to take advantage of HTTP request smuggling...

Debian DSA-4732-1 : squid - security update

Two security issues were discovered in the Squid proxy caching server, which could result in cache poisoning, request smuggling and incomplete validation of hostnames in cachemgr.cgi. C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from Debia...

Debian: Security Advisory (DSA-4732-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2020 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...

[SECURITY] [DSA 4732-1] squid security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4732-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff July 21, 2020 https://www.debian.org/security/faq -...

Debian: Security Advisory (DLA-2283-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2020 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...

Debian DLA-2283-1 : nginx security update

An HTTP request smuggling issue was discovered in the ngxlua plugin for nginx, a high-performance web and reverse proxy server, as demonstrated by the ngx.location.capture API. For Debian 9 stretch, this problem has been fixed in version 1.10.3-1+deb9u5. We recommend that you upgrade your nginx...

[SECURITY] [DLA 2283-1] nginx security update

------------------------------------------------------------------------- Debian LTS Advisory DLA-2283-1 [email protected] https://www.debian.org/lts/security/ July 20, 2020 https://wiki.debian.org/LTS - ------------------------------------------------------------------------- Package :...

SUSE SLES12 Security Update : squid (SUSE-SU-2020:1946-1)

This update for squid fixes the following issues : CVE-2020-15049.patch: fixes a Cache Poisoning and Request Smuggling attack CVE-2020-15049, bsc1173455 Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted...

SUSE-SU-2020:1946-1 Security update for squid

This update for squid fixes the following issues: - CVE-2020-15049.patch: fixes a Cache Poisoning and Request Smuggling attack CVE-2020-15049, bsc1173455...

Microsoft Guidance for Enabling Request Smuggling Filter on IIS Servers

Executive Summary Microsoft is aware of a tampering vulnerability in the way that HTTP proxies front-end and web servers back-end that do not strictly adhere to RFC standards handle sequences of HTTP requests received from multiple sources. An attacker who successfully exploited the vulnerability...

Node.js: HTTP Request Smuggling due to CR-to-Hyphen conversion

NOTE! Thanks for submitting a report! Please replace all the square sections below with the pertinent details. Remember, the more detail you provide, the easier it is for us to triage and respond quickly, so be sure to take your time filling out the report! Summary: add summary of the vulnerabili...

Visma Public: HTTP Request Smuggling at app.workbox.dk

The researcher was able to find a HTTP request CL.TE smuggling vulnerability at app.workbox.dk. The likely consequences would have result in interfering with normal user traffic, leak 'Session Cookies, leak PII info...

Basecamp: HTTP request smuggling on Basecamp 2 allows web cache poisoning

It is found that an authenticated Basecamp 2 user can desync front and backend servers and poison the socket with harmful response for the next visitor. During redirect probe, It also appears that front-end infrastructure performs caching of content. Using HTTP request smuggling attack, It is...

Squid Security Update Advisory (SQUID-2020:7)

Squid is prone to a cache poisoning vulnerability. Copyright C 2020 Greenbone Networks GmbH 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-or-later This program is free software; you can...

Huawei EulerOS: Security Advisory for haproxy (EulerOS-SA-2020-1757)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2020 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...

Moderate: Red Hat Security Advisory: rh-nginx116-nginx security update

An update for rh-nginx116-nginx is now available for Red Hat Software Collections. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

nginx: HTTP request smuggling in configurations with URL redirect used as error_page

NGINX before 1.17.7, with certain errorpage configurations, allows HTTP request smuggling, as demonstrated by the ability of an attacker to read unauthorized web pages in environments where NGINX is being fronted by a load balancer...

undertow: invalid HTTP request with large chunk size

A flaw was found in Undertow, regarding the processing of invalid HTTP requests with large chunk sizes. This flaw allows an attacker to take advantage of HTTP request smuggling...

EulerOS Virtualization 3.0.6.0 : haproxy (EulerOS-SA-2020-1757)

According to the version of the haproxy package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerability : - A flaw was found in HAProxy before 2.0.6. In legacy mode, messages featuring a transfer-encoding header missing the 'chunked' value...

CVE-2020-15049

An issue was discovered in http/ContentLengthInterpreter.cc in Squid before 4.12 and 5.x before 5.0.3. A Request Smuggling and Poisoning attack can succeed against the HTTP cache. The client sends an HTTP request with a Content-Length header containing "+\ "-" or an uncommon shell whitespace...