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PYSEC-2018-21

Quick fix

PYSEC-2018-21 — pycryptodome: upgrade to the fixed version with the command below.

pip install --upgrade 'pycryptodome>=3.6.6'

Details

PyCryptodome before 3.6.6 has an integer overflow in the data_len variable in AESNI.c, related to the AESNI_encrypt and AESNI_decrypt functions, leading to the mishandling of messages shorter than 16 bytes.

Are you affected?

Enter the version of the package you're using.

Affected packages

PyPI/pycryptodome

Introduced in: 0Fixed in: 3.6.6

Fixpip install --upgrade 'pycryptodome>=3.6.6'

References

https://whitehatck01.blogspot.com/2018/08/integer-overflow-vulnerability-in.html[ARTICLE]
https://github.com/Legrandin/pycryptodome/issues/198[REPORT]
https://github.com/advisories/GHSA-hgg3-g7gr-66r7[ADVISORY]