by Kastro
Paper/Archive/CVE-2020-36242

CVE-2020-36242

mitre — In the cryptography package before 3.3.2 for Python, certain sequences of update calls to symmetrically encrypt multi-GB values could res…

EPSS 7%CVSS 9.1
critical.is priorityof 100
46
CVSS 9.1 (NVD)9.1 / 10 × 3027.3Not in CISA KEV+300.0EPSS percentile 93.9.939 × 2018.8No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
n/an/a–CNA

Scores by source

NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

References

refgithub.com/pyca/cryptography/issues/5615advisorylists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L7RGQLK4J5ZQFRLKCHVVG6BKZTUQMG7Ereforacle.com/security-alerts/cpuapr2022.htmlrefgithub.com/pyca/cryptography/compare/3.3.1...3.3.2refgithub.com/pyca/cryptography/blob/master/CHANGELOG.rstreforacle.com/security-alerts/cpujul2022.html