High · published June 8, 2021
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.
| Product | Versions | Fixed in |
|---|---|---|
| gnupg/libgcrypt | < 1.8.8 | 1.8.8 |
| gnupg/libgcrypt | ≥ 1.9.0, < 1.9.3 | 1.9.3 |
| debian/debian_linux | all versions | — |
| fedoraproject/fedora | all versions | — |
| fedoraproject/fedora | all versions | — |
| oracle/communications_cloud_native_core_binding_support_function | all versions | — |
| oracle/communications_cloud_native_core_network_function_cloud_native_environment | all versions | — |
| oracle/communications_cloud_native_core_network_function_cloud_native_environment | all versions | — |
| oracle/communications_cloud_native_core_network_repository_function | all versions | — |
| oracle/communications_cloud_native_core_network_repository_function | all versions | — |
| oracle/communications_cloud_native_core_network_repository_function | all versions | — |
| oracle/communications_cloud_native_core_network_slice_selection_function | all versions | — |
| oracle/communications_cloud_native_core_service_communication_proxy | all versions | — |