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CVE-2022-44572

Status Candidate

Overview

A denial of service vulnerability in the multipart parsing component of Rack fixed in 2.0.9.2, 2.1.4.2, 2.2.4.1 and 3.0.0.1 could allow an attacker tocraft input that can cause RFC2183 multipart boundary parsing in Rack to take an unexpected amount of time, possibly resulting in a denial of service attack vector. Any applications that parse multipart posts using Rack (virtually all Rails applications) are impacted.

Related Files

Debian Security Advisory 5530-1
Posted Oct 23, 2023
Authored by Debian | Site debian.org

Debian Linux Security Advisory 5530-1 - Several vulnerabilities were discovered in ruby-rack, a modular Ruby webserver interface, which may result in denial of service and shell escape sequence injection.

tags | advisory, denial of service, shell, vulnerability, ruby
systems | linux, debian
advisories | CVE-2022-30122, CVE-2022-30123, CVE-2022-44570, CVE-2022-44571, CVE-2022-44572, CVE-2023-27530, CVE-2023-27539
SHA-256 | 1d720695b79a166118349cbe5f4050069000900a5d5b9d9439ed4da692cb559f
Ubuntu Security Notice USN-5910-1
Posted Mar 3, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5910-1 - It was discovered that Rack did not properly structure regular expressions in some of its parsing components, which could result in uncontrolled resource consumption if an application using Rack received specially crafted input. A remote attacker could possibly use this issue to cause a denial of service. It was discovered that Rack did not properly structure regular expressions in its multipart parsing component, which could result in uncontrolled resource consumption if an application using Rack to parse multipart posts received specially crafted input. A remote attacker could possibly use this issue to cause a denial of service. This issue was only fixed in Ubuntu 20.04 ESM and Ubuntu 22.04 ESM.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2022-44570, CVE-2022-44572
SHA-256 | e4713313bc2261a887f827779cc49e6e6980b58aa5003b39b30ef102f9d309d3
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