CVE-2017-7789

2017-07-0400:00:00

ubuntu.com

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

0.001 Low

EPSS

Percentile

49.8%

JSON

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.

OSVersionArchitecturePackageVersionFilename
ubuntu14.04noarchfirefox< 55.0.1+build2-0ubuntu0.14.04.2UNKNOWN
ubuntu16.04noarchfirefox< 55.0.1+build2-0ubuntu0.16.04.2UNKNOWN
ubuntu17.04noarchfirefox< 55.0.1+build2-0ubuntu0.17.04.2UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	14.04	noarch	firefox	< 55.0.1+build2-0ubuntu0.14.04.2	UNKNOWN
ubuntu	16.04	noarch	firefox	< 55.0.1+build2-0ubuntu0.16.04.2	UNKNOWN
ubuntu	17.04	noarch	firefox	< 55.0.1+build2-0ubuntu0.17.04.2	UNKNOWN