Vulnerabilidades / CVE-2017-5456

crítica

CVE-2017-5456

Mozilla: Sandbox escape allowing local file system read access (MFSA 2017-12)

Publicada Modificada CWE 732
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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

La etiqueta propia de Trivy es CRITICAL. Crítica según NVD, Oracle. Más baja según Red Hat (alta), Ubuntu (media).

Descripción

A mechanism to bypass file system access protections in the sandbox using the file system request constructor through an IPC message. This allows for read and write access to the local file system. This vulnerability affects Firefox ESR < 52.1 and Firefox < 53.

Paquetes afectados y versiones corregidas

FuentePaqueteCorregido en
Oracle Linux 7firefox52.1.0-2.0.1.el7_3
ubuntu 14.04firefox53.0+build6-0ubuntu0.14.04.1
ubuntu 16.04firefox53.0+build6-0ubuntu0.16.04.1
ubuntu 16.10firefox53.0+build6-0ubuntu0.16.10.1
ubuntu 17.04firefox53.0+build6-0ubuntu0.17.04.1

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.