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openSUSE-SU-2021:2157-1

Опубликовано: 11 июл. 2021
Источник: suse-cvrf

Описание

Security update for libgcrypt

This update for libgcrypt fixes the following issues:

  • CVE-2021-33560: Fixed a side-channel against ElGamal encryption, caused by missing exponent blinding (bsc#1187212).

Список пакетов

openSUSE Leap 15.3
libgcrypt-cavs-1.8.2-8.39.1
libgcrypt-devel-1.8.2-8.39.1
libgcrypt-devel-32bit-1.8.2-8.39.1
libgcrypt20-1.8.2-8.39.1
libgcrypt20-32bit-1.8.2-8.39.1
libgcrypt20-hmac-1.8.2-8.39.1
libgcrypt20-hmac-32bit-1.8.2-8.39.1

Ссылки

Описание

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.

Затронутые продукты
openSUSE Leap 15.3:libgcrypt-cavs-1.8.2-8.39.1
openSUSE Leap 15.3:libgcrypt-devel-1.8.2-8.39.1
openSUSE Leap 15.3:libgcrypt-devel-32bit-1.8.2-8.39.1
openSUSE Leap 15.3:libgcrypt20-1.8.2-8.39.1
Ссылки