Related Vulnerabilities: CVE-2021-43398  

Crypto++ 8.6.0 and earlier contains a timing leakage in MakePublicKey(). There is a clear correlation between execution time and private key length, which may cause disclosure of the length information of the private key. This might allow attackers to conduct timing attacks.

Severity Medium

Remote Yes

Type Private key recovery

Description

Crypto++ 8.6.0 and earlier contains a timing leakage in MakePublicKey(). There is a clear correlation between execution time and private key length, which may cause disclosure of the length information of the private key. This might allow attackers to conduct timing attacks.

AVG-2528 crypto++ 8.5.0-2 Medium Vulnerable

https://github.com/weidai11/cryptopp/issues/1080