CVE-2017-5391

HIGH

Description

Special "about:" pages used by web content, such as RSS feeds, can load privileged "about:" pages in an iframe. If a content-injection bug were found in one of those pages this could allow for potential privilege escalation. This vulnerability affects Firefox < 51.

References

http://www.securityfocus.com/bid/95763

http://www.securitytracker.com/id/1037693

https://bugzilla.mozilla.org/show_bug.cgi?id=1309310

https://www.mozilla.org/security/advisories/mfsa2017-01/

Details

Source: MITRE

Published: 2018-06-11

Updated: 2018-08-07

Type: CWE-264

Risk Information

CVSS v2.0

Base Score: 7.5

Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P)

Impact Score: 6.4

Exploitability Score: 10

Severity: HIGH

CVSS v3.0

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 3.9

Severity: CRITICAL