CVE-2023-52323 : PyCryptodome and pycryptodomex before 3.19.1 allow side-channel leakage for OAEP

PyCryptodome and pycryptodomex before 3.19.1 allow side-channel leakage for OAEP decryption, exploitable for a Manger attack.

Published 2024-01-05 04:15:08

Updated 2024-01-11 17:06:00

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2023-52323

Pycryptodome » Pycryptodome » For Python
Versions before (<) 3.19.1
cpe:2.3:a:pycryptodome:pycryptodome:*:*:*:*:*:python:*:*
Matching versions
Pycryptodome » Pycryptodomex » For Python
Versions before (<) 3.19.1
cpe:2.3:a:pycryptodome:pycryptodomex:*:*:*:*:*:python:*:*
Matching versions

EPSS FAQ

0.06%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 17 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
5.9	MEDIUM	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N	2.2	3.6	NIST	2024-01-11
Attack Vector: Network Attack Complexity: High Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None

CWE-203 Observable Discrepancy

The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.

Assigned by: nvd@nist.gov (Primary)

https://github.com/Legrandin/pycryptodome/blob/master/Changelog.rst

pycryptodome/Changelog.rst at master · Legrandin/pycryptodome · GitHub
Release Notes
https://pypi.org/project/pycryptodomex/#history

pycryptodomex · PyPI
Release Notes

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