CVE-2020-12423

2020-07-0915:15:00

Alpine Linux Development Team

security.alpinelinux.org

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

6.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.001 Low

EPSS

Percentile

49.9%

JSON

When the Windows DLL “webauthn.dll” was missing from the Operating System, and a malicious one was placed in a folder in the user’s %PATH%, Firefox may have loaded the DLL, leading to arbitrary code execution. Note: This issue only affects the Windows operating system; other operating systems are unaffected. This vulnerability affects Firefox < 78.

OSVersionArchitecturePackageVersionFilename
Alpineedge-communitynoarchfirefox< 78.0-r0UNKNOWN
Alpine3.12-communitynoarchfirefox< 78.0-r0UNKNOWN
Alpine3.13-communitynoarchfirefox< 78.0-r0UNKNOWN
Alpine3.14-communitynoarchfirefox< 78.0-r0UNKNOWN
Alpine3.15-communitynoarchfirefox< 78.0-r0UNKNOWN
Alpine3.16-communitynoarchfirefox< 78.0-r0UNKNOWN
Alpine3.17-communitynoarchfirefox< 78.0-r0UNKNOWN
Alpine3.18-communitynoarchfirefox< 78.0-r0UNKNOWN
Alpine3.19-communitynoarchfirefox< 78.0-r0UNKNOWN

OS	Version	Architecture	Package	Version	Filename
Alpine	edge-community	noarch	firefox	< 78.0-r0	UNKNOWN
Alpine	3.12-community	noarch	firefox	< 78.0-r0	UNKNOWN
Alpine	3.13-community	noarch	firefox	< 78.0-r0	UNKNOWN
Alpine	3.14-community	noarch	firefox	< 78.0-r0	UNKNOWN
Alpine	3.15-community	noarch	firefox	< 78.0-r0	UNKNOWN
Alpine	3.16-community	noarch	firefox	< 78.0-r0	UNKNOWN
Alpine	3.17-community	noarch	firefox	< 78.0-r0	UNKNOWN
Alpine	3.18-community	noarch	firefox	< 78.0-r0	UNKNOWN
Alpine	3.19-community	noarch	firefox	< 78.0-r0	UNKNOWN