Arbitrary Code Execution Affecting mozilla package, versions [,78.0)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.14% (51st percentile)

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  • Snyk IDSNYK-UNMANAGED-MOZILLA-2378972
  • published26 Jan 2022
  • disclosed9 Jul 2020
  • creditUnknown

Introduced: 9 Jul 2020

CVE-2020-12423  (opens in a new tab)
CWE-427  (opens in a new tab)

How to fix?

Upgrade mozilla to version 78.0 or higher.

Overview

Affected versions of this package are vulnerable to Arbitrary Code Execution. 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 Scores

version 3.1