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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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