Bugs item #1622896, was opened at 2006-12-27 15:26
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Category: Python Library
Group: Python 2.5
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Alex Gontmakher (gsasha)
Assigned to: Nobody/Anonymous (nobody)
Summary: Exception when compressing certain data with bz2
Initial Comment:
Looks like an out-of-bounds array access... might be a security problem.
The attached file includes a script which, when executed, tries to pack the two
given directories with a bz2 compressor. On my machine (stock 32 bit Ubuntu
Edgy), the program fails with the following exception:
--------------------
Traceback (most recent call last):
File "test.py", line 13, in ?
block = compressor.compress(open("compress-0067/"+file, "rb").read())
ValueError: the bz2 library has received wrong parameters
--------------------
The problem occurs under either python2.4 or 2.5 (I don't have other versions
to test with).
Sorry, the file is large... I tried to reduce the example to smaller number of
files etc., but no such luck. The file is too large to be submitted here as an
attachment, so I have uploaded it to
http://www.cs.technion.ac.il/~gsasha/testcase.tar.bz2
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You can respond by visiting:
https://sourceforge.net/tracker/?func=detail&atid=105470&aid=1622896&group_id=5470
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