CVE-2020-11076 – puma

Package

Manager: gem
Name: puma
Vulnerable Version: >=0 <3.12.5 || >=4.0.0 <4.3.4

Severity

Level: High

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

EPSS: 0.0137 pctl0.7949

Details

HTTP Smuggling via Transfer-Encoding Header in Puma ### Impact By using an invalid transfer-encoding header, an attacker could [smuggle an HTTP response.](https://portswigger.net/web-security/request-smuggling) Originally reported by @ZeddYu, who has our thanks for the detailed report. ### Patches The problem has been fixed in Puma 3.12.5 and Puma 4.3.4. ### For more information If you have any questions or comments about this advisory: * Open an issue in [Puma](https://github.com/puma/puma) * See our [security policy](https://github.com/puma/puma/security/policy)

Metadata

Created: 2020-05-22T14:55:05Z
Modified: 2023-05-16T15:53:31Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2020/05/GHSA-x7jg-6pwg-fx5h/GHSA-x7jg-6pwg-fx5h.json
CWE IDs: ["CWE-444"]
Alternative ID: GHSA-x7jg-6pwg-fx5h
Finding: F110
Auto approve: 1