vulnwire
9.8crit

CVE-2017-5456

A mechanism to bypass file system access protections in the sandbox using the file system request constructor through an IPC message.

Published 8 y ago · modified 4 mo ago · JSON

CVSS
9.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.7%
percentile 86%
Public exploits
0
none known

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.

Exploit prediction (EPSS)

2.73% probability of exploitation in the next 30 days, higher than 86% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.09.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD2.07.5AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • Mozilla Firefox ESR
  • Mozilla Firefox

Classification

Weakness
  • CWE-732 Incorrect Permission Assignment for Critical Resource

References

  • access.redhat.com /errata/RHSA-2017:1106 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • mozilla.org /security/advisories/mfsa2017-12/ · x_refsource_CONFIRM, x_transferred
  • bugzilla.mozilla.org /show_bug.cgi?id=1344415 · x_refsource_CONFIRM, x_transferred
  • mozilla.org /security/advisories/mfsa2017-10/ · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/97940 · vdb-entry, x_refsource_BID, x_transferred
  • securitytracker.com /id/1038320 · vdb-entry, x_refsource_SECTRACK, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.