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.

CVSS v3.0 7.8 HIGH
CVSS v2.0 6.9 MEDIUM

7.8^/10

CVSS v3.0 : HIGH

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

6.9^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.4 / Impact : 10.0

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

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

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Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

Information

Published : 2020-07-09 08:15

Updated : 2023-01-30 09:21

NVD link : CVE-2020-12423

Mitre link : CVE-2020-12423

JSON object : View

CWE

CWE-427

Uncontrolled Search Path Element

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Products Affected

mozilla

firefox

microsoft

windows

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