← Back to CVEs

CVE-2020-12423

HIGH

7.8

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.

CVE Details

CVSS v3.1 Score7.8

SeverityHIGH

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

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published7/9/2020

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

microsoft:windowsmozilla:firefox

Weaknesses (CWE)

CWE-427

References

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.html(security@mozilla.org)

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.html(security@mozilla.org)

https://bugzilla.mozilla.org/show_bug.cgi?id=1642400(security@mozilla.org)

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

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.html(af854a3a-2127-422b-91ae-364da2661108)

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.html(af854a3a-2127-422b-91ae-364da2661108)

https://bugzilla.mozilla.org/show_bug.cgi?id=1642400(af854a3a-2127-422b-91ae-364da2661108)

https://www.mozilla.org/security/advisories/mfsa2020-24/(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.