CVE-2021-38505 - log back

CVE-2021-38505 edited at 03 Nov 2021 16:44:08
Description
- Microsoft introduced a new feature in Windows 10 known as Cloud Clipboard which, if enabled, will record data copied to the clipboard to the cloud, and make it available on other computers in certain scenarios. Applications that wish to prevent copied data from being recorded in Cloud History must use specific clipboard formats; and Firefox before versions 94 and ESR 91.3 did not implement them. This could have caused sensitive data to be recorded to a user's Microsoft account.
+ A security issue has been found in Firefox before version 94 and Thunderbird before version 91.3. Microsoft introduced a new feature in Windows 10 known as Cloud Clipboard which, if enabled, will record data copied to the clipboard to the cloud, and make it available on other computers in certain scenarios. Applications that wish to prevent copied data from being recorded in Cloud History must use specific clipboard formats; and Firefox before version 94 and Thunderbird before version 91.3 did not implement them. This could have caused sensitive data to be recorded to a user's Microsoft account.
- This bug only affects Firefox for Windows 10+ with Cloud Clipboard enabled. Other operating systems are unaffected.
+ This bug only affects Firefox and Thunderbird for Windows 10+ with Cloud Clipboard enabled. Other operating systems are unaffected.
References
https://www.mozilla.org/security/advisories/mfsa2021-48/
+ https://www.mozilla.org/security/advisories/mfsa2021-50/
https://bugzilla.mozilla.org/show_bug.cgi?id=1730194
CVE-2021-38505 created at 02 Nov 2021 13:16:47
Severity
+ High
Remote
+ Remote
Type
+ Information disclosure
Description
+ Microsoft introduced a new feature in Windows 10 known as Cloud Clipboard which, if enabled, will record data copied to the clipboard to the cloud, and make it available on other computers in certain scenarios. Applications that wish to prevent copied data from being recorded in Cloud History must use specific clipboard formats; and Firefox before versions 94 and ESR 91.3 did not implement them. This could have caused sensitive data to be recorded to a user's Microsoft account.
+
+ This bug only affects Firefox for Windows 10+ with Cloud Clipboard enabled. Other operating systems are unaffected.
References
+ https://www.mozilla.org/security/advisories/mfsa2021-48/
+ https://bugzilla.mozilla.org/show_bug.cgi?id=1730194
Notes