CVE-2020-25659

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.

Category

5.9
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.34%
Third-Party Advisory github.com Third-Party Advisory oracle.com Third-Party Advisory oracle.com
Affected: n/a python-cryptography
Published at:
Updated at:

References

Link Tags
https://github.com/pyca/cryptography/pull/5507/commits/ce1bef6f1ee06ac497ca0c837fbd1c7ef6c2472b third party advisory patch
https://www.oracle.com/security-alerts/cpuapr2022.html third party advisory patch
https://www.oracle.com/security-alerts/cpujul2022.html third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2020-25659?
CVE-2020-25659 has been scored as a medium severity vulnerability.
How to fix CVE-2020-25659?
To fix CVE-2020-25659, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-25659 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-25659 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-25659?
CVE-2020-25659 affects n/a python-cryptography.
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