CVE-2017-5466 Information

Description

If a page is loaded from an original site through a hyperlink and contains a redirect to a \data:text/html\ URL triggering a reload will run the reloaded \data:text/html\ page with its origin set incorrectly. This allows for a cross-site scripting (XSS) attack. This vulnerability affects Thunderbird 52.1 Firefox ESR 52.1 and Firefox 53.

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/97940 http://www.securitytracker.com/id/1038320 https://access.redhat.com/errata/RHSA-2017:1106 https://access.redhat.com/errata/RHSA-2017:1201 https://bugzilla.mozilla.org/show_bug.cgi?id=1353975 https://www.mozilla.org/security/advisories/mfsa2017-10/ https://www.mozilla.org/security/advisories/mfsa2017-12/ https://www.mozilla.org/security/advisories/mfsa2017-13/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.1