CVE-2017-7765 Information

Description

The \Mark of the Web\ was not correctly saved on Windows when files with very long names were downloaded from the Internet. Without the Mark of the Web data the security warning that Windows displays before running executables downloaded from the Internet is not shown. Note: This attack only affects Windows operating systems. Other operating systems are unaffected. This vulnerability affects Firefox 54 Firefox ESR 52.2 and Thunderbird 52.2.

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/99057 http://www.securitytracker.com/id/1038689 https://bugzilla.mozilla.org/show_bug.cgi?id=1273265 https://www.mozilla.org/security/advisories/mfsa2017-15/ https://www.mozilla.org/security/advisories/mfsa2017-16/ https://www.mozilla.org/security/advisories/mfsa2017-17/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

7.5