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.
NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.
|Base Score:||7.5||Base Metrics:||AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N|
|Access Vector:||Network||Attack Complexity:||Low|
|Privileges Required:||None||User Interaction:||None|
|Integrity Impact:||None||Availability Impact:||None|
|Oracle Linux version 8 (libgcrypt)||ELSA-2021-4409||2021-11-16|
|Oracle Linux version 8 (libgcrypt)||ELSA-2022-9263||2022-04-06|
This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team