CVE-2020-8184 – rubygem-rack: percent-encoded cookies can be used to overwrite existing prefixed cookie names

https://notcve.org/view.php?id=CVE-2020-8184

A reliance on cookies without validation/integrity check security vulnerability exists in rack < 2.2.3, rack < 2.1.4 that makes it is possible for an attacker to forge a secure or host-only cookie prefix. Se presenta una dependencia de las cookies sin vulnerabilidad de seguridad de control de validación e integridad en rack versiones anteriores a 2.2.3, rack versiones anteriores a 2.1.4, que hace posible a un atacante forjar un prefijo de cookie seguro o solo de host A flaw was found in rubygem-rack. An attacker may be able to trick a vulnerable application into processing an insecure (non-SSL) or cross-origin request if they can gain the ability to write arbitrary cookies that are sent to the application. The highest threat from this vulnerability is to data integrity. • https://groups.google.com/g/rubyonrails-security/c/OWtmozPH9Ak https://hackerone.com/reports/895727 https://lists.debian.org/debian-lts-announce/2020/07/msg00006.html https://lists.debian.org/debian-lts-announce/2023/01/msg00038.html https://usn.ubuntu.com/4561-1 https://access.redhat.com/security/cve/CVE-2020-8184 https://bugzilla.redhat.com/show_bug.cgi?id=1849141 • CWE-20: Improper Input Validation CWE-784: Reliance on Cookies without Validation and Integrity Checking in a Security Decision CWE-807: Reliance on Untrusted Inputs in a Security Decision •