==========================================================================
Ubuntu Security Notice USN-4106-1
August 20, 2019
NLTK vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 19.04
– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS
Summary:
NLTK could be made to overwrite files.
Software Description:
– nltk: Python libraries for natural language processing
Details:
Mike Salvatore discovered that NLTK mishandled crafted ZIP archives during
extraction. A remote attacker could use this vulnerability to write
arbitrary files to the filesystem
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 19.04:
python-nltk 3.4-1ubuntu0.1
python3-nltk 3.4-1ubuntu0.1
Ubuntu 18.04 LTS:
python-nltk 3.2.5-1ubuntu0.1
python3-nltk 3.2.5-1ubuntu0.1
Ubuntu 16.04 LTS:
python-nltk 3.1-1ubuntu0.1
python3-nltk 3.1-1ubuntu0.1
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/4106-1
CVE-2019-14751
Package Information:
https://launchpad.net/ubuntu/+source/nltk/3.4-1ubuntu0.1
https://launchpad.net/ubuntu/+source/nltk/3.2.5-1ubuntu0.1
https://launchpad.net/ubuntu/+source/nltk/3.1-1ubuntu0.1
—–BEGIN PGP SIGNATURE—–
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ZaeWSc48JD82NemPnSRzk0QRBMjyNvTWkjZYBRHQV8LlgEGYZAwE3mTiJ2MfrGjy
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5mD/AjN3kNYjo+sY57c5lLUVj3c8QAJhIPynYEQMMLuEMk3wCTSAUlbvRZ5uylZN
sHNnMyxeXeCg6clLOKMgYB28FYabVQepwkwykdQFDXMUVrVm+RpoNdTaYkwsjnXr
xvVnN6K0reQa9b990dgDDhpew0Q1rUQ1Kx3MkWb17ETwOYkdmMs=
=mCXZ
—–END PGP SIGNATURE—–
—
