CVE-2017-7789 Information

Description

If a server sends two Strict-Transport-Security (STS) headers for a single connection they will be rejected as invalid and HTTP Strict Transport Security (HSTS) will not be enabled for the connection. This vulnerability affects Firefox 55.

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/100374 http://www.securitytracker.com/id/1039124 https://bugzilla.mozilla.org/show_bug.cgi?id=1074642 https://www.mozilla.org/security/advisories/mfsa2017-18/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

LOW

Base Score

NONE

Base Severity

5.3