Executive Summary

Informations
Name CVE-2020-12423 First vendor Publication 2020-07-09
Vendor Cve Last vendor Modification 2020-07-20

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Overall CVSS Score 7.8
Base Score 7.8 Environmental Score 7.8
impact SubScore 5.9 Temporal Score 7.8
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required None User Interaction Required
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:M/Au:N/C:C/I:C/A:C)
Cvss Base Score 6.9 Attack Range Local
Cvss Impact Score 10 Attack Complexity Medium
Cvss Expoit Score 3.4 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12423

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-427 Uncontrolled Search Path Element

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 541

Sources (Detail)

Source Url
MISC https://bugzilla.mozilla.org/show_bug.cgi?id=1642400
https://www.mozilla.org/security/advisories/mfsa2020-24/
SUSE http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.html
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.html

Alert History

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Date Informations
2020-10-14 01:27:59
  • Multiple Updates
2020-10-03 01:28:22
  • Multiple Updates
2020-07-20 21:23:05
  • Multiple Updates
2020-07-18 09:22:46
  • Multiple Updates
2020-07-16 00:22:49
  • Multiple Updates
2020-07-09 21:23:00
  • First insertion