7.5

CVE-2021-33560

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.
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 2.34% 0.814
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
nvd@nist.gov 5 10 2.9
AV:N/AC:L/Au:N/C:P/I:N/A:N
134c704f-9b21-4f2e-91b3-4a467353bcc0 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE-203 Observable Discrepancy

The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor.

CWE-325 Missing Cryptographic Step

The product does not implement a required step in a cryptographic algorithm, resulting in weaker encryption than advertised by the algorithm.

https://www.oracle.com/security-alerts/cpuapr2022.html
Patch
Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.html
Patch
Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.html
Third Party Advisory
https://www.oracle.com/security-alerts/cpujul2022.html
Patch
Third Party Advisory
https://dev.gnupg.org/T5305
Vendor Advisory
Release Notes
https://dev.gnupg.org/T5328
Vendor Advisory
https://dev.gnupg.org/T5466
Vendor Advisory
Release Notes
https://dev.gnupg.org/rCe8b7f10be275bcedb5fc05ed4837a89bfd605c61
Patch
Vendor Advisory
https://lists.debian.org/debian-lts-announce/2021/06/msg00021.html
Third Party Advisory
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BKKTOIGFW2SGN3DO2UHHVZ7MJSYN4AAB/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R7OAPCUGPF3VLA7QAJUQSL255D4ITVTL/
https://security.gentoo.org/glsa/202210-13
Third Party Advisory