CVE-2021-40530 log

Source
Severity Medium
Remote Yes
Type Information disclosure
Description
The ElGamal implementation in Crypto++ through 8.5 allows plaintext recovery because, during interaction between two cryptographic libraries, a certain dangerous combination of the prime defined by the receiver's public key, the generator defined by the receiver's public key, and the sender's ephemeral exponents can lead to a cross-configuration attack against OpenPGP.
Group Package Affected Fixed Severity Status Ticket
AVG-2363 crypto++ 8.5.0-2 8.6.0-1 Medium Fixed
References
https://eprint.iacr.org/2021/923
https://ibm.github.io/system-security-research-updates/2021/07/20/insecurity-elgamal-pt1
https://ibm.github.io/system-security-research-updates/2021/09/06/insecurity-elgamal-pt2