Vulnerability Description
python-cryptography 3.2 is vulnerable to Bleichenbacher timing attacks in the RSA decryption API, via timed processing of valid PKCS#1 v1.5 ciphertext.
CVSS Score
5.9
MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cryptography.Io | Cryptography | 3.2 |
| Oracle | Communications Cloud Native Core Network Function Cloud Native Environment | 1.10.0 |
Related Weaknesses (CWE)
References
- https://github.com/pyca/cryptography/pull/5507/commits/ce1bef6f1ee06ac497ca0c837PatchThird Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlPatchThird Party Advisory
- https://www.oracle.com/security-alerts/cpujul2022.htmlPatchThird Party Advisory
- https://github.com/pyca/cryptography/pull/5507/commits/ce1bef6f1ee06ac497ca0c837PatchThird Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlPatchThird Party Advisory
- https://www.oracle.com/security-alerts/cpujul2022.htmlPatchThird Party Advisory
FAQ
What is CVE-2020-25659?
CVE-2020-25659 is a vulnerability with a CVSS score of 5.9 (MEDIUM). python-cryptography 3.2 is vulnerable to Bleichenbacher timing attacks in the RSA decryption API, via timed processing of valid PKCS#1 v1.5 ciphertext.
How severe is CVE-2020-25659?
CVE-2020-25659 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-25659?
Check the references section above for vendor advisories and patch information. Affected products include: Cryptography.Io Cryptography, Oracle Communications Cloud Native Core Network Function Cloud Native Environment.