CVE-2018-12377

Published: 6 September 2018

A use-after-free vulnerability can occur when refresh driver timers are refreshed in some circumstances during shutdown when the timer is deleted while still in use. This results in a potentially exploitable crash. This vulnerability affects Firefox < 62, Firefox ESR < 60.2, and Thunderbird < 60.2.1.

Priority

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package	Release	Status
firefox Launchpad, Ubuntu, Debian	bionic	Released (62.0+build2-0ubuntu0.18.04.3)
	trusty	Released (62.0+build2-0ubuntu0.14.04.3)
	upstream	Needs triage
	xenial	Released (62.0+build2-0ubuntu0.16.04.3)
firefox-esr Launchpad, Ubuntu, Debian	bionic	Does not exist
	trusty	Does not exist
	upstream	Released (60.2.0esr-1)
	xenial	Does not exist
thunderbird Launchpad, Ubuntu, Debian	bionic	Released (1:60.2.1+build1-0ubuntu0.18.04.2)
	trusty	Released (1:60.2.1+build1-0ubuntu0.14.04.2)
	upstream	Released (60.2.1)
	xenial	Released (1:60.2.1+build1-0ubuntu0.16.04.4)

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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