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Vulnerabilidades / CVE-2019-5420

crítica

CVE-2019-5420

rubygem-rails: Weak secret token leading to possible code execution

Publicada Modificada CWE 77, 330
En la Trivy database desde, como mínimo, el 24 oct 2026, 07:11 UTCNo consta cuándo entró antes de ese build.

Severidad por fuente

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GHSA9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat8.1CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

La etiqueta propia de Trivy es CRITICAL. Crítica según NVD, GHSA, Ruby Advisory DB. Más baja según Red Hat (media).

Descripción

A remote code execution vulnerability in development mode Rails <5.2.2.1, <6.0.0.beta3 can allow an attacker to guess the automatically generated development mode secret token. This secret token can be used in combination with other Rails internals to escalate to a remote code execution exploit.

Paquetes afectados y versiones corregidas

FuentePaqueteCorregido en
rubygems::GitHub Security Advisory RubyGemsrailties5.2.2.1
rubygems::Ruby Advisory Databaserailties~> 5.2.2, >= 5.2.2.1, >= 6.0.0.beta3
debian 11rails2:5.2.2.1+dfsg-1
debian 12rails2:5.2.2.1+dfsg-1
debian 13rails2:5.2.2.1+dfsg-1
debian 14rails2:5.2.2.1+dfsg-1
echorails2:5.2.2.1+dfsg-1

Referencias

Las 14 referencias

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.