USN-4106-1: NLTK vulnerability
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
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
Source: USN-4106-1: NLTK vulnerability
