In the cryptography package before 3.3.2 for Python, certain sequences of update calls to symmetrically encrypt multi-GB values could result in an integer overflow and buffer overflow, as demonstrated by the Fernet class.
Advisories
Source ID Title
EUVD EUVD EUVD-2021-0048 In the cryptography package before 3.3.2 for Python, certain sequences of update calls to symmetrically encrypt multi-GB values could result in an integer overflow and buffer overflow, as demonstrated by the Fernet class.
Github GHSA Github GHSA GHSA-rhm9-p9w5-fwm7 PyCA Cryptography symmetrically encrypting large values can lead to integer overflow
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 05 Sep 2024 16:30:00 +0000

Type Values Removed Values Added
First Time appeared Cryptography.io
Cryptography.io cryptography
CPEs cpe:2.3:a:cryptography_project:cryptography:*:*:*:*:*:python:*:* cpe:2.3:a:cryptography.io:cryptography:*:*:*:*:*:python:*:*
Vendors & Products Cryptography Project
Cryptography Project cryptography
Cryptography.io
Cryptography.io cryptography

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-04T17:23:09.814Z

Reserved: 2021-02-07T00:00:00

Link: CVE-2020-36242

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-02-07T20:15:12.090

Modified: 2024-11-21T05:29:08.287

Link: CVE-2020-36242

cve-icon Redhat

Severity : Moderate

Publid Date: 2020-12-09T00:00:00Z

Links: CVE-2020-36242 - Bugzilla

cve-icon OpenCVE Enrichment

No data.