* Jakub Wilk <jw...@debian.org>, 2014-01-29, 21:19:
There are other uses of tempfile.mktemp() in the PIL codebase. They
are most likely insecure too, but I haven't checked.
I have now checked the rest, and they are all insecure.
In PIL/EpsImagePlugin.py:
file = tempfile.mktemp()
# Build ghostscript command
command = ["gs",
"-q", # quite mode
"-g%dx%d" % size, # set output geometry (pixels)
"-r%d" % (72*scale), # set input DPI (dots per inch)
"-dNOPAUSE -dSAFER", # don't pause between pages, safe mode
"-sDEVICE=ppmraw", # ppm driver
"-sOutputFile=%s" % file,# output file
]
# [...]
# push data through ghostscript
try:
gs = subprocess.Popen(command, stdin=subprocess.PIPE,
stdout=subprocess.PIPE)
In PIL/IptcImagePlugin.py:
outfile = tempfile.mktemp()
o = open(outfile, "wb")
if encoding == "raw":
# To simplify access to the extracted file,
# prepend a PPM header
o.write("P5\n%d %d\n255\n" % self.size)
In PIL/Image.py:
if not file:
file = tempfile.mktemp()
self.load()
if not format or format == "PPM":
self.im.save_ppm(file)
else:
file = file + "." + format
self.save(file, format)
--
Jakub Wilk
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