Date: Wed, 10 Jul 2013 20:56:57 +0200 From: "Stefan Kanthak" <stefan.kanthak@...go.de> To: <oss-security@...ts.openwall.com> Subject: CVE request for Mozilla Firefox (Windows) The installer of Mozilla Firefox writes the following command line with unquoted spaces for uninstallation into the Windows registry: [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Mozilla Firefox 22.0 (x86 en-US)] "UninstallString"="C:\\Program Files\\Mozilla Firefox\\uninstall\\helper.exe" See <https://bugzilla.mozilla.org/show_bug.cgi?id=871084>, <https://bugzilla.mozilla.org/show_bug.cgi?id=786407> and <https://bugzilla.mozilla.org/show_bug.cgi?id=868746> Due to a well-known and well-documented idiosyncrasy of Windows' CreateProcess() API this can result in the execution of a rogue program "C:\Program.exe" or "C:\Program Files\Mozilla.exe" with the privileges of the caller. Since the caller of this command line typically has administrative rights this vulnerability can lead to a privilege escalation. Affected versions: all current releases. Fixed version: 23.0. Stefan Kanthak
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