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Title: bpo-41316: Make tarfile follow specs for FNAME by ArtemSBulgakov · Pull Request #21511 · python/cpython · GitHub

Open Graph Title: bpo-41316: Make tarfile follow specs for FNAME by ArtemSBulgakov · Pull Request #21511 · python/cpython

X Title: bpo-41316: Make tarfile follow specs for FNAME by ArtemSBulgakov · Pull Request #21511 · python/cpython

Description: tarfile writes full path to FNAME field of GZIP format instead of just basename if user specified absolute path. Some archive viewers may process file incorrectly. Also it creates security issue because anyone can know structure of directories on system and know username or other personal information. RFC1952 says about FNAME: This is the original name of the file being compressed, with any directory components removed. So tarfile must remove directory names from FNAME and write only basename of file. https://bugs.python.org/issue41316 Automerge-Triggered-By: @jaraco

Open Graph Description: tarfile writes full path to FNAME field of GZIP format instead of just basename if user specified absolute path. Some archive viewers may process file incorrectly. Also it creates security issue be...

X Description: tarfile writes full path to FNAME field of GZIP format instead of just basename if user specified absolute path. Some archive viewers may process file incorrectly. Also it creates security issue be...

Opengraph URL: https://github.com/python/cpython/pull/21511

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5639f66 bpo-41316: Make tarfile follow specs for FNAME ArtemSBulgakov Jul 16, 2020 https://github.com/python/cpython/pull/21511/commits/5639f66f6707bf3f41a0bbd09318ab1c4b6e1b29
6f751fe 📜🤖 Added by blurb_it. blurb-it[bot] Jul 28, 2020 https://github.com/python/cpython/pull/21511/commits/6f751feed40a85c51123d45200b7acf05948643a
4a8bd29 Update ACKS ArtemSBulgakov Jul 28, 2020 https://github.com/python/cpython/pull/21511/commits/4a8bd2933fafc72567a4870b2564f74e6d600962
3948880 Add test capturing missed expectation when the path appears in the re… jaraco Sep 7, 2020 https://github.com/python/cpython/pull/21511/commits/394888035a21a21dc6584527a06d903f0e83cdc6
0bbaa1c Merge branch 'bpo-41316-test' into bpo-41316 jaraco Sep 7, 2020 https://github.com/python/cpython/pull/21511/commits/0bbaa1c4c3fb99ce962af4c6cbfe5bb43aa71983
4baaf5e Reference RFC and precise language for easier searching. jaraco Sep 7, 2020 https://github.com/python/cpython/pull/21511/commits/4baaf5ee34e5a8e1fd45177c618c359b12f6cce2
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