Type confusion

2018-10-1813:29:00

PRIOn knowledge base

www.prio-n.com

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

8.2 High

AI Score

Confidence

High

5.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:P/A:N

0.062 Low

EPSS

Percentile

93.4%

JSON

A vulnerability in register allocation in JavaScript can lead to type confusion, allowing for an arbitrary read and write. This leads to remote code execution inside the sandboxed content process when triggered. This vulnerability affects Firefox ESR < 60.2.2 and Firefox < 62.0.3.

CPENameOperatorVersion
ubuntu_linuxeq16.04
ubuntu_linuxeq14.04
ubuntu_linuxeq18.04
debian_linuxeq9.0
firefoxlt62.0.3
firefox_esrlt60.2.2
enterprise_linux_desktopeq7.0
enterprise_linux_desktopeq6.0
enterprise_linux_servereq7.0
enterprise_linux_servereq6.0

Name	Operator	Version
ubuntu_linux	eq	16.04
ubuntu_linux	eq	14.04
ubuntu_linux	eq	18.04
debian_linux	eq	9.0
firefox	lt	62.0.3
firefox_esr	lt	60.2.2
enterprise_linux_desktop	eq	7.0
enterprise_linux_desktop	eq	6.0
enterprise_linux_server	eq	7.0
enterprise_linux_server	eq	6.0