CVE - CVE-2020-36242

CVE-ID
CVE-2020-36242	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
CONFIRM:https://github.com/pyca/cryptography/blob/master/CHANGELOG.rst URL:https://github.com/pyca/cryptography/blob/master/CHANGELOG.rst CONFIRM:https://github.com/pyca/cryptography/compare/3.3.1...3.3.2 URL:https://github.com/pyca/cryptography/compare/3.3.1...3.3.2 FEDORA:FEDORA-2021-8e36e7ed1a URL:https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L7RGQLK4J5ZQFRLKCHVVG6BKZTUQMG7E/ MISC:https://github.com/pyca/cryptography/issues/5615 URL:https://github.com/pyca/cryptography/issues/5615 MISC:https://www.oracle.com/security-alerts/cpuapr2022.html URL:https://www.oracle.com/security-alerts/cpuapr2022.html MISC:https://www.oracle.com/security-alerts/cpujul2022.html URL:https://www.oracle.com/security-alerts/cpujul2022.html
Assigning CNA
MITRE Corporation
Date Record Created
20210207	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20210207)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
This is an record on the CVE List, which provides common identifiers for publicly known cybersecurity vulnerabilities.
Search CVE Using Keywords: You can also search by reference using the CVE Reference Maps.
For More Information: CVE Request Web Form (select "Other" from dropdown)