CVEs-PoC/2020/CVE-2020-25659.md

### [CVE-2020-25659](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25659)
![](https://img.shields.io/static/v1?label=Product&message=python-cryptography&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-385&color=brighgreen)

### 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.

### POC

#### Reference
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.oracle.com/security-alerts/cpujul2022.html

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/AdiRashkes/python-tda-bug-hunt-2
- https://github.com/alexcowperthwaite/PasskeyScanner
- https://github.com/indece-official/clair-client