CVE-2017-7789

Publication date 4 July 2017

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

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.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
firefox	17.04 zesty	Fixed 55.0.1+build2-0ubuntu0.17.04.2
	16.10 yakkety	Ignored end of life
	16.04 LTS xenial	Fixed 55.0.1+build2-0ubuntu0.16.04.2
	14.04 LTS trusty	Fixed 55.0.1+build2-0ubuntu0.14.04.2
mozjs38	17.04 zesty	Not affected
	16.10 yakkety	Not in release
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release

Severity score breakdown

Parameter	Value
Base score	5.3 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	Low
Availability impact	None
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References

Related Ubuntu Security Notices (USN)