CVE-2020-12423

high

Description

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.

References

https://www.mozilla.org/security/advisories/mfsa2020-24/

https://bugzilla.mozilla.org/show_bug.cgi?id=1642400

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.html

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.html

Details

Source: Mitre, NVD

Published: 2020-07-09

Updated: 2023-01-30

Risk Information

CVSS v2

Base Score: 6.9

Vector: CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

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

Severity: High