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tests for Fli OOB reads

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Eric Soroos 2020-03-05 10:13:10 +00:00 committed by Hugo
parent 8d4f3c0c5f
commit 19ff42bd68
48 changed files with 71 additions and 0 deletions
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#!/usr/bin/env python
from PIL import Image
repro_ss2 = ('images/fli_oob/06r/06r00.fli',
'images/fli_oob/06r/others/06r01.fli',
'images/fli_oob/06r/others/06r02.fli',
'images/fli_oob/06r/others/06r03.fli',
'images/fli_oob/06r/others/06r04.fli'
)
repro_lc = ('images/fli_oob/05r/05r00.fli',
'images/fli_oob/05r/others/05r03.fli',
'images/fli_oob/05r/others/05r06.fli',
'images/fli_oob/05r/others/05r05.fli',
'images/fli_oob/05r/others/05r01.fli',
'images/fli_oob/05r/others/05r04.fli',
'images/fli_oob/05r/others/05r02.fli',
'images/fli_oob/05r/others/05r07.fli',
)
repro_advance = ('images/fli_oob/03r/03r00.fli',
'images/fli_oob/03r/others/03r01.fli',
'images/fli_oob/03r/others/03r09.fli',
'images/fli_oob/03r/others/03r11.fli',
'images/fli_oob/03r/others/03r05.fli',
'images/fli_oob/03r/others/03r10.fli',
'images/fli_oob/03r/others/03r06.fli',
'images/fli_oob/03r/others/03r08.fli',
'images/fli_oob/03r/others/03r03.fli',
'images/fli_oob/03r/others/03r07.fli',
'images/fli_oob/03r/others/03r02.fli',
'images/fli_oob/03r/others/03r04.fli',
)
repro_brun = ('images/fli_oob/04r/initial.fli',
'images/fli_oob/04r/others/04r02.fli',
'images/fli_oob/04r/others/04r05.fli',
'images/fli_oob/04r/others/04r04.fli',
'images/fli_oob/04r/others/04r03.fli',
'images/fli_oob/04r/others/04r01.fli',
'images/fli_oob/04r/04r00.fli',
)
repro_copy = ('images/fli_oob/02r/others/02r02.fli',
'images/fli_oob/02r/others/02r04.fli',
'images/fli_oob/02r/others/02r03.fli',
'images/fli_oob/02r/others/02r01.fli',
'images/fli_oob/02r/02r00.fli',
)
for path in repro_ss2 + repro_lc + repro_advance + repro_brun + repro_copy:
im = Image.open(path)
try:
im.load()
except Exception as msg:
print(msg)

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Is this because a file-originating field is being interpreted as a *signed* int32, allowing it to provide negative values for 'advance'?

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Image.open(...).seek(212)

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ridiculous bytes value passed to ImagingFliDecode

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im = Image.open(d); im.seek(0); im.getdata()

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failure to check input buffer (`data`) boundaries in BRUN chunk

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im = Image.open(d); im.seek(0); im.getdata()

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failure to check input buffer (`data`) boundaries in LC chunk

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im = Image.open(d); im.seek(0); im.getdata()

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failure to check input buffer (`data`) boundaries in SS2 chunk

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im = Image.open(d); im.seek(0); im.getdata()