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screenShield: Clear clipboard on lock

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Currently the clipboard's contents may leak to unauthorized parties by
pasting into the unlock dialog's password entry and unmasking the entry.
Prevent this from happening by clearing the clipboard on lock.

https://bugzilla.gnome.org/show_bug.cgi?id=698922
This commit is contained in:
Florian Müllner 2013-05-16 17:51:31 +02:00
parent 6c527c1bb4
commit 41ae93dba0
1 changed files with 6 additions and 0 deletions
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6
js/ui/screenShield.js
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@ -1215,6 +1215,12 @@ const ScreenShield = new Lang.Class({
return; return;
} }
// Clear the clipboard - otherwise, its contents may be leaked
// to unauthorized parties by pasting into the unlock dialog's
// password entry and unmasking the entry
St.Clipboard.get_default().set_text(St.ClipboardType.CLIPBOARD, '');
St.Clipboard.get_default().set_text(St.ClipboardType.PRIMARY, '');
this._isLocked = true; this._isLocked = true;
this.activate(animate); this.activate(animate);