CVE-2017-7799 Information

Description

JavaScript in the \about:webrtc\ page is not sanitized properly being assigned to \innerHTML. Data on this page is supplied by WebRTC usage and is not under third-party control making this difficult to exploit but the vulnerability could possibly be used for a cross-site scripting (XSS) attack. This vulnerability affects Firefox 55.

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/100377 http://www.securitytracker.com/id/1039124 https://bugzilla.mozilla.org/show_bug.cgi?id=1372509 https://www.mozilla.org/security/advisories/mfsa2017-18/

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