1. Ubuntu Security Notices
  2. USN-4106-1

USN-4106-1: NLTK vulnerability

Publication date

20 August 2019

Overview

NLTK could be made to overwrite files.

Releases

Packages

  • 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

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

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
19.04 disco python-nltk –  3.4-1ubuntu0.1
python3-nltk –  3.4-1ubuntu0.1
18.04 bionic python-nltk –  3.2.5-1ubuntu0.1
python3-nltk –  3.2.5-1ubuntu0.1
16.04 xenial python-nltk –  3.1-1ubuntu0.1
python3-nltk –  3.1-1ubuntu0.1

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References

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