CVE-2018-5145

Memory safety bugs were reported in Firefox ESR 52.6. These bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox ESR < 52.7 and Thunderbird < 52.7.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
firefox	24.04 LTS noble	Not affected
	23.10 mantic	Not affected
	23.04 lunar	Not affected
	22.10 kinetic	Not affected
	22.04 LTS jammy	Not affected
	21.10 impish	Not affected
	21.04 hirsute	Not affected
	20.10 groovy	Not affected
	20.04 LTS focal	Not affected
	19.10 eoan	Not affected
	19.04 disco	Not affected
	18.10 cosmic	Not affected
	18.04 LTS bionic	Not affected
	17.10 artful	Not affected
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not in release
firefox-esr	24.04 LTS noble	Not in release
	23.10 mantic	Not in release
	23.04 lunar	Not in release
	22.10 kinetic	Not in release
	22.04 LTS jammy	Not in release
	21.10 impish	Not in release
	21.04 hirsute	Not in release
	20.10 groovy	Not in release
	20.04 LTS focal	Not in release
	19.10 eoan	Not in release
	19.04 disco	Not in release
	18.10 cosmic	Not in release
	18.04 LTS bionic	Not in release
	17.10 artful	Not in release
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release
mozjs38	24.04 LTS noble	Not in release
	23.10 mantic	Not in release
	23.04 lunar	Not in release
	22.10 kinetic	Not in release
	22.04 LTS jammy	Not in release
	21.10 impish	Not in release
	21.04 hirsute	Not in release
	20.10 groovy	Not in release
	20.04 LTS focal	Not in release
	19.10 eoan	Not in release
	19.04 disco	Not in release
	18.10 cosmic	Not in release
	18.04 LTS bionic	Ignored
	17.10 artful	Ignored
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release
mozjs52	24.04 LTS noble	Not in release
	23.10 mantic	Not in release
	23.04 lunar	Not in release
	22.10 kinetic	Not in release
	22.04 LTS jammy	Not in release
	21.10 impish	Not in release
	21.04 hirsute	Not in release
	20.10 groovy	Ignored
	20.04 LTS focal	Vulnerable, fix deferred
	19.10 eoan	Ignored
	19.04 disco	Ignored
	18.10 cosmic	Ignored
	18.04 LTS bionic	Vulnerable, fix deferred
	17.10 artful	Ignored
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release
thunderbird	24.04 LTS noble	Fixed 1:52.7.0+build1-0ubuntu1
	23.10 mantic	Fixed 1:52.7.0+build1-0ubuntu1
	23.04 lunar	Fixed 1:52.7.0+build1-0ubuntu1
	22.10 kinetic	Fixed 1:52.7.0+build1-0ubuntu1
	22.04 LTS jammy	Fixed 1:52.7.0+build1-0ubuntu1
	21.10 impish	Fixed 1:52.7.0+build1-0ubuntu1
	21.04 hirsute	Fixed 1:52.7.0+build1-0ubuntu1
	20.10 groovy	Fixed 1:52.7.0+build1-0ubuntu1
	20.04 LTS focal	Fixed 1:52.7.0+build1-0ubuntu1
	19.10 eoan	Fixed 1:52.7.0+build1-0ubuntu1
	19.04 disco	Fixed 1:52.7.0+build1-0ubuntu1
	18.10 cosmic	Fixed 1:52.7.0+build1-0ubuntu1
	18.04 LTS bionic	Fixed 1:52.7.0+build1-0ubuntu1
	17.10 artful	Fixed 1:52.7.0+build1-0ubuntu0.17.10.1
	16.04 LTS xenial	Fixed 1:52.7.0+build1-0ubuntu0.16.04.1
	14.04 LTS trusty	Fixed 1:52.7.0+build1-0ubuntu0.14.04.1

Notes

tyhicks

mozjs contains a copy of the SpiderMonkey JavaScript engine

chrisccoulson

It's not clear whether this affects mozjs52, as the bugs are still private and some aren't referenced by any changesets. The following need investigating: - https://bugzilla.mozilla.org/show_bug.cgi?id=1348955

Severity score breakdown

Parameter	Value
Base score	9.8 · Critical
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

Related Ubuntu Security Notices (USN)

USN-3545-1
Thunderbird vulnerabilities
29 March 2018

Cvss 3 Severity Score