Libgcrypt before 1.8.8 and 1.9.x before 1.9.3 mishandles ElGamal encryption because it lacks exponent blinding to address a side-channel attack against mpi_powm, and the window size is not chosen appropriately. This, for example, affects use of ElGamal in OpenPGP.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-06-08T00:00:00

Updated: 2024-08-03T23:50:43.035Z

Reserved: 2021-05-24T00:00:00

Link: CVE-2021-33560

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-06-08T11:15:07.767

Modified: 2023-11-07T03:35:52.620

Link: CVE-2021-33560

cve-icon Redhat

Severity : Moderate

Publid Date: 2021-06-02T00:00:00Z

Links: CVE-2021-33560 - Bugzilla