vulnerability
CentOS Linux: CVE-2021-33560: Moderate: libgcrypt security and bug fix update (CESA-2021:4409)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:P/I:N/A:N) | Jun 8, 2021 | Nov 10, 2021 | May 25, 2023 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
Jun 8, 2021
Added
Nov 10, 2021
Modified
May 25, 2023
Description
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.
Solutions
centos-upgrade-libgcryptcentos-upgrade-libgcrypt-debuginfocentos-upgrade-libgcrypt-debugsourcecentos-upgrade-libgcrypt-develcentos-upgrade-libgcrypt-devel-debuginfo
References
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