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Vulnerability CVE-2020-25659
Published: 2021-01-11
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. |
Type:
CWE-385 (Covert Timing Channel)
CVSS2 => (AV:N/AC:M/Au:N/C:P/I:N/A:N)
CVSS Base Score |
Impact Subscore |
Exploitability Subscore |
4.3/10 |
2.9/10 |
8.6/10 |
Exploit range |
Attack complexity |
Authentication |
Remote |
Medium |
No required |
Confidentiality impact |
Integrity impact |
Availability impact |
Partial |
None |
None |
References: |
https://github.com/pyca/cryptography/pull/5507/commits/ce1bef6f1ee06ac497ca0c837fbd1c7ef6c2472b
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