ASA-202001-3 log original external raw
[ASA-202001-3] firefox: arbitrary code execution |
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Arch Linux Security Advisory ASA-202001-3
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Severity: Critical
Date : 2020-01-10
CVE-ID : CVE-2019-17026
Package : firefox
Type : arbitrary code execution
Remote : Yes
Link : https://security.archlinux.org/AVG-1085
Summary
=======
The package firefox before version 72.0.1-1 is vulnerable to arbitrary
code execution.
Resolution
==========
Upgrade to 72.0.1-1.
# pacman -Syu "firefox>=72.0.1-1"
The problem has been fixed upstream in version 72.0.1.
Workaround
==========
None.
Description
===========
A type confusion vulnerability has been found in Firefox before 72.0.1,
and Thunderbird before 68.4.1. Incorrect alias information in IonMonkey
JIT compiler for setting array elements could lead to a type confusion
with StoreElementHole and FallibleStoreElement. Mozilla is aware of
targeted attacks in the wild abusing this flaw.
Impact
======
A remote attacker can execute arbitrary code on the affected host.
References
==========
https://www.mozilla.org/en-US/security/advisories/mfsa2020-03/
https://www.mozilla.org/en-US/security/advisories/mfsa2020-03/#CVE-2019-17026
https://bugzilla.mozilla.org/show_bug.cgi?id=1607443
https://security.archlinux.org/CVE-2019-17026
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