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Update zipslip_bad.py

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This commit is contained in:
Ahmed Farid
2022-03-28 01:08:39 +00:00
committed by GitHub
parent f364e41dbe
commit cafbd98454
1 changed files with 9 additions and 7 deletions
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16
python/ql/src/experimental/Security/CWE-022/zipslip_bad.py
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@@ -2,13 +2,15 @@ import zipfile
import shutil
def unzip(filename):
with zipfile.ZipFile(filename) as zipf:
with tarfile.open(filename) as zipf:
#BAD : This could write any file on the filesystem.
for entry in zipf:
shutil.copy(entry, "/tmp/unpack/")
shutil.copyfile(entry, "/tmp/unpack/")
def unzip1(filename):
with zipfile.ZipFile(filename) as zipf:
for entry in zipf:
with open(entry, 'wb') as dstfile:
shutil.copyfileobj(zipf, dstfile)
def unzip4(filename):
zf = zipfile.ZipFile(filename)
filelist = zf.namelist()
for filename in filelist:
with zf.open(filename) as srcf:
shutil.copyfileobj(srcf, dstfile)