CVE-2017-5387 Information

Description

The existence of a specifically requested local file can be found due to the double firing of the \onerror\ when the \source\ attribute on a \track\ tag refers to a file that does not exist if the source page is loaded locally. This vulnerability affects Firefox 51.

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/95763 http://www.securitytracker.com/id/1037693 https://bugzilla.mozilla.org/show_bug.cgi?id=1295023 https://www.mozilla.org/security/advisories/mfsa2017-01/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

LOW

Base Score

NONE

Base Severity

3.3