CVE-2017-5390

Published: 25 January 2017

The JSON viewer in the Developer Tools uses insecure methods to create a communication channel for copying and viewing JSON or HTTP headers data, allowing for potential privilege escalation. This vulnerability affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox < 51.

Priority

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package	Release	Status
firefox Launchpad, Ubuntu, Debian	precise	Released (51.0.1+build2-0ubuntu0.12.04.1)
	trusty	Released (51.0.1+build2-0ubuntu0.14.04.1)
	upstream	Released (51)
	xenial	Released (51.0.1+build2-0ubuntu0.16.04.1)
	yakkety	Released (51.0.1+build2-0ubuntu0.16.10.1)
	zesty	Released (52.0.1+build2-0ubuntu1)
thunderbird Launchpad, Ubuntu, Debian	precise	Released (1:45.7.0+build1-0ubuntu0.12.04.1)
	trusty	Released (1:45.7.0+build1-0ubuntu0.14.04.1)
	upstream	Needs triage
	xenial	Released (1:45.7.0+build1-0ubuntu0.16.04.1)
	yakkety	Released (1:45.7.0+build1-0ubuntu0.16.10.1)
	zesty	Released (1:45.7.0+build1-0ubuntu1)

Severity score breakdown

Parameter	Value
Base score	9.8
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

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