CVE-2018-18499 Information

Description

A same-origin policy violation allowing the theft of cross-origin URL entries when using a meta http-equiv=\refresh\ on a page to cause a redirection to another site using performance.getEntries(). This is a same-origin policy violation and could allow for data theft. This vulnerability affects Firefox 62 Firefox ESR 60.2 and Thunderbird 60.2.1.

CVSS Vector

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

Reference

https://bugzilla.mozilla.org/show_bug.cgi?id=1468523 https://www.mozilla.org/security/advisories/mfsa2018-20/ https://www.mozilla.org/security/advisories/mfsa2018-21/ https://www.mozilla.org/security/advisories/mfsa2018-25/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

6.5