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. Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12423 Reference (s):
- https://bugzilla.mozilla.org/show_bug.cgi?id=1642400
- URL: https://bugzilla.mozilla.org/show_bug.cgi?id=1642400
- https://www.mozilla.org/security/advisories/mfsa2020-24/
- URL: https://www.mozilla.org/security/advisories/mfsa2020-24/
- SUSE:openSUSE-SU-2020:0983