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Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLWhnZzMtZzdnci02NnI3

PyCryptodome integer overflow vulnerability

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.

Permalink: https://github.com/advisories/GHSA-hgg3-g7gr-66r7
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLWhnZzMtZzdnci02NnI3
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: over 6 years ago
Updated: about 1 month ago

CVSS Score: 7.5
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Identifiers: GHSA-hgg3-g7gr-66r7, CVE-2018-15560
References:

• https://nvd.nist.gov/vuln/detail/CVE-2018-15560
• https://github.com/Legrandin/pycryptodome/issues/198
• https://github.com/advisories/GHSA-hgg3-g7gr-66r7
• https://whitehatck01.blogspot.com/2018/08/integer-overflow-vulnerability-in.html
• https://github.com/pypa/advisory-database/tree/main/vulns/pycryptodome/PYSEC-2018-21.yaml

Repository: https://github.com/Legrandin/pycryptodome
Blast Radius: 32.0

Affected Packages