CVE Vulnerability

CVE-2020-12423

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.

6.9 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.4 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

7.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1642400 Issue Tracking Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-24/ Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.html Broken Link
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.html Broken Link
Configurations

Configuration 1
Information

Published : 2020-07-09 03:15

Updated : 2023-01-30 05:21

NVD link : CVE-2020-12423

Mitre link : CVE-2020-12423

Products Affected
No products.
CWE
CWE-427