CVE-2020-12423

Summary

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.

Affected Software

VendorProductVersion RangeStatus
MozillaFirefoxunspecified < 78affected

Weaknesses

  • DLL Hijacking due to searching %PATH% for a library

ADP Enrichment

CVE Program Container

Additional References

References