JVN#81676004: Installers of Mozilla Firefox and Thunderbird for Windows may insecurely load Dynamic Link Libraries

2017-07-1100:00:00

Japan Vulnerability Notes

jvn.jp

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.004 Low

EPSS

Percentile

72.4%

JSON

Installers of Mozilla Firefox and Thunderbird for Windows provided by Mozilla Foundation contain an issue with the DLL search path, which may lead to insecurely loading Dynamic Link Libraries (CWE-427).

Impact

Arbitrary code may be executed with the privilege of the user invoking the installer.

Solution

Use the Latest Installer
Use the latest installer according to the information provided by the developer.
Users who already have installed Mozilla Firefox or Thunderbird do not need to re-install the application, because this issue affects the installer only.