CVE-2017-5456

2018-06-1121:00:00

mozilla

www.cve.org

AI Score

7.8

Confidence

High

EPSS

0.052

Percentile

93.0%

JSON

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.

CNA Affected

[
  {
    "product": "Firefox ESR",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "52.1",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "lessThan": "53",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]