CVE-2017-7789

MEDIUM

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.

References

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/

Details

Source: MITRE

Published: 2018-06-11

Updated: 2018-08-09

Type: CWE-254

Risk Information

CVSS v2.0

Base Score: 5

Vector: (AV:N/AC:L/Au:N/C:N/I:P/A:N)

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3.0

Base Score: 5.3

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

Impact Score: 1.4

Exploitability Score: 3.9

Severity: MEDIUM