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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-09-06T18:44:47

Updated: 2024-08-04T02:44:10.922Z

Reserved: 2021-09-06T00:00:00

Link: CVE-2021-40530

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-09-06T19:15:07.673

Modified: 2023-11-07T03:38:36.797

Link: CVE-2021-40530

cve-icon Redhat

No data.