The ElGamal implementation in Botan through 2.18.1, as used in Thunderbird and other products, 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 Information

Status: PUBLISHED

Assigner: mitre

Published: 2021-09-06T18:45:08

Updated: 2022-08-10T05:13:35

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


Link: CVE-2021-40529

JSON object: View

cve-icon NVD Information

Status : Modified

Published: 2021-09-06T19:15:07.630

Modified: 2023-11-07T03:38:36.703


Link: CVE-2021-40529

JSON object: View

cve-icon Redhat Information

No data.

CWE