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PyCryptodome Integer overflow vulnerability

High severity GitHub Reviewed Published Aug 27, 2018 to the GitHub Advisory Database • Updated Jan 11, 2024

Package

pip pycryptodome (pip)

Affected versions

< 3.6.6

Patched versions

3.6.6

Description

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.

References

Published by the National Vulnerability Database Aug 20, 2018
Published to the GitHub Advisory Database Aug 27, 2018
Reviewed Jun 16, 2020
Last updated Jan 11, 2024

Severity

High
7.5
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CVE ID

CVE-2018-15560

GHSA ID

GHSA-hgg3-g7gr-66r7

Source code

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