CVE-2017-5375

Published: 25 January 2017

JIT code allocation can allow for a bypass of ASLR and DEP protections leading to potential memory corruption attacks. 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	upstream	Released (51)
	precise	Released (51.0.1+build2-0ubuntu0.12.04.1)
	trusty	Released (51.0.1+build2-0ubuntu0.14.04.1)
	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	upstream	Needs triage
	precise	Released (1:45.7.0+build1-0ubuntu0.12.04.1)
	trusty	Released (1:45.7.0+build1-0ubuntu0.14.04.1)
	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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