Description
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.
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
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 |
GHSA-rhm9-p9w5-fwm7 | PyCA Cryptography symmetrically encrypting large values can lead to integer overflow |
References
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.io:cryptography:*:*:*:*:*:python:*:* | |
| Vendors & Products |
Cryptography Project
Cryptography Project cryptography |
Cryptography.io
Cryptography.io cryptography |
Subscriptions
Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-04T17:23:09.814Z
Reserved: 2021-02-07T00:00:00.000Z
Link: CVE-2020-36242
No data.
Status : Modified
Published: 2021-02-07T20:15:12.090
Modified: 2024-11-21T05:29:08.287
Link: CVE-2020-36242
OpenCVE Enrichment
No data.
EUVD
Github GHSA