[SECURITY] [DSA 4918-1] ruby-rack-cors security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4918-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso May 18, 2021 https://www.debian.org/security/faq -...

[SECURITY] [DSA 4918-1] ruby-rack-cors security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4918-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso May 18, 2021 https://www.debian.org/security/faq -...

Denial of Service (DoS)

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...

CVE-2021-29509

Puma is a concurrent HTTP 1.1 server for Ruby/Rack applications. The fix for CVE-2019-16770 was incomplete. The original fix only protected existing connections that had already been accepted from having their requests starved by greedy persistent-connections saturating all threads in the same...

CVE-2021-29509 Keepalive Connections Causing Denial Of Service in puma

Puma is a concurrent HTTP 1.1 server for Ruby/Rack applications. The fix for CVE-2019-16770 was incomplete. The original fix only protected existing connections that had already been accepted from having their requests starved by greedy persistent-connections saturating all threads in the same...

CVE-2021-29509

CVE-2021-29509 affects the Puma HTTP/1.1 server for Ruby/Rack apps. The issue is that, even after the CVE-2019-16770 fix, new keep-alive connections can still cause denial of service by saturating threadpools across a cluster, starving additional connections. The problem is triggered when more co...

CVE-2021-29509

Puma is a concurrent HTTP 1.1 server for Ruby/Rack applications. The fix for CVE-2019-16770 was incomplete. The original fix only protected existing connections that had already been accepted from having their requests starved by greedy persistent-connections saturating all threads in the same...

CVE-2021-29509: Uncontrolled Resource Consumption

Puma is a concurrent HTTP 1.1 server for Ruby/Rack applications. The fix for CVE-2019-16770 was incomplete. The original fix only protected existing connections that had already been accepted from having their requests starved by greedy persistent-connections saturating all threads in the same...

Friday Squid Blogging: Squid-Shaped Bike Rack

Theres a new squid-shaped bike rack in Ballard, WA. As usual, you can also use this squid post to talk about the security stories in the news that I haven’t covered. Read my blog posting guidelines here...

rack-protection: Timing attack in authenticity_token.rb

Sinatra rack-protection versions 1.5.4 and 2.0.0.rc3 and earlier contains a timing attack vulnerability in the CSRF token checking that can result in signatures can be exposed. This attack appear to be exploitable via network connectivity to the ruby application. This vulnerability appears to hav...

rubygem-rack: hijack sessions by using timing attacks targeting the session id

A flaw was found in rubygem-rack in versions prior to 1.6.12 and 2.0.8. An information leak may allow an attacker to find and hijack sessions using timing attacks targeting the session ID. The highest threat from the vulnerability is to data confidentiality...

Ubuntu: Security Advisory (USN-4561-2)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 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...

USN-4561-2: Rack vulnerabilities

USN-4561-1 fixed vulnerabilities in Rack. This update provides the corresponding update for Ubuntu 16.04 LTS, Ubuntu 20.04 LTS and Ubuntu 20.10. Original advisory details: It was discovered that Rack incorrectly handled certain paths. An attacker could possibly use this issue to obtain sensitive...

USN-4561-2 ruby-rack vulnerabilities

USN-4561-1 fixed vulnerabilities in Rack. This update provides the corresponding update for Ubuntu 16.04 LTS, Ubuntu 20.04 LTS and Ubuntu 20.10. Original advisory details: It was discovered that Rack incorrectly handled certain paths. An attacker could possibly use this issue to obtain sensitive...

Ubuntu 16.04 LTS / 20.04 LTS : Rack vulnerabilities (USN-4561-2)

The remote Ubuntu 16.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4561-2 advisory. USN-4561-1 fixed vulnerabilities in Rack. This update provides the corresponding update for Ubuntu 16.04 LTS, Ubuntu 20.04 LTS and Ubuntu...

The vulnerability of the `check_forbidden` function in the rack/directory.rb module interface between web servers and Rack web applications allows a violator to access confidential data.

The vulnerability of the checkforbidden function in the rack/directory.rb module of the Rack framework, which is used between web servers and web applications, relates to an incorrect restriction on the path to the directory. Exploiting this vulnerability could allow a malicious actor to gain...

The vulnerability in the `parse_cookies_header` function of the `utils.rb` module in the Rack web server and web application interface allows a attacker to compromise data integrity.

The vulnerability of the parsecookiesheader function in the utils.rb module of the Rack web server and web application interface is related to the lack of a mechanism for checking input data. Exploiting this vulnerability could allow an attacker to compromise the integrity of data...

PT-2020-22941

Уязвимость модуля Rack::Protection веб-интерфейса для управления и взаимодействия с базой данных Cassandra Web связана с неверным ограничением имени пути к каталогу. Эксплуатация уязвимости может позволить нарушителю, действующему удалённо, читать произвольные файлы...

Ruby on Rails: Regex Injection from request header (Rack::Sendfile, send_file)

I have confirmed that Rack::Sendfile and the Rails sendfile that handles it have a problem handling custom headers for request. It is expected that the X-Sendfile-type and X-Accel-Mapping headers will be sent from nginx, but these headers can also be sent from a user agent such as a browser. This...

The vulnerability of the Rack module in the Ruby programming language, related to uncontrolled resource consumption, allows attackers to cause service failures.

The vulnerability of the Ruby interpreter’s Rack module is related to an uncontrolled resource consumption. Exploiting this vulnerability can allow a malicious actor, operating remotely, to cause service failures due to specially crafted requests...