Release Date: | 2021-06-08 | |
Impact: | None | What is this? |
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.
See more information about CVE-2021-33560 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
Base Score: | 7.5 |
Vector String: | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Version: | 3.0 |
Attack Vector: | Network |
Attack Complexity: | Low |
Privileges Required: | None |
User Interaction: | None |
Scope: | Unchanged |
Confidentiality Impact: | High |
Integrity Impact: | None |
Availability Impact: | None |
Platform | Errata | Release Date |
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