CVE-2021-33560

Опубликовано: 08 июн. 2021

Источник: nvd

CVSS3: 7.5

CVSS2: 5

EPSS Низкий

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.

Ссылки

https://dev.gnupg.org/T5305
Release Notes
Vendor Advisory
https://dev.gnupg.org/T5328
Vendor Advisory
https://dev.gnupg.org/T5466
Release Notes
Vendor Advisory
https://dev.gnupg.org/rCe8b7f10be275bcedb5fc05ed4837a89bfd605c61
Patch
Vendor Advisory
https://lists.debian.org/debian-lts-announce/2021/06/msg00021.html
Mailing List
Third Party Advisory
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
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/cpujul2022.html
Patch
Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.html
Third Party Advisory
https://dev.gnupg.org/T5305
Release Notes
Vendor Advisory
https://dev.gnupg.org/T5328
Vendor Advisory
https://dev.gnupg.org/T5466
Release Notes
Vendor Advisory
https://dev.gnupg.org/rCe8b7f10be275bcedb5fc05ed4837a89bfd605c61
Patch
Vendor Advisory
https://lists.debian.org/debian-lts-announce/2021/06/msg00021.html
Mailing List
Third Party Advisory
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

Уязвимые конфигурации

Конфигурация 1

Одно из

cpe:2.3:a:gnupg:libgcrypt:*:*:*:*:*:*:*:*

Версия до 1.8.8 (исключая)

cpe:2.3:a:gnupg:libgcrypt:*:*:*:*:*:*:*:*

Версия от 1.9.0 (включая) до 1.9.3 (исключая)

Конфигурация 2

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Конфигурация 3

Одно из

cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*

cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

Конфигурация 4

Одно из

cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:1.11.0:*:*:*:*:*:*:*

cpe:2.3:a:oracle:communications_cloud_native_core_network_function_cloud_native_environment:1.9.0:*:*:*:*:*:*:*

cpe:2.3:a:oracle:communications_cloud_native_core_network_function_cloud_native_environment:1.10.0:*:*:*:*:*:*:*

cpe:2.3:a:oracle:communications_cloud_native_core_network_repository_function:1.14.0:*:*:*:*:*:*:*

cpe:2.3:a:oracle:communications_cloud_native_core_network_repository_function:1.15.0:*:*:*:*:*:*:*

cpe:2.3:a:oracle:communications_cloud_native_core_network_repository_function:1.15.1:*:*:*:*:*:*:*

cpe:2.3:a:oracle:communications_cloud_native_core_network_slice_selection_function:1.8.0:*:*:*:*:*:*:*

cpe:2.3:a:oracle:communications_cloud_native_core_service_communication_proxy:1.15.0:*:*:*:*:*:*:*

EPSS

Процентиль: 66%

0.0053

Низкий

7.5 High

CVSS3

5 Medium

CVSS2

Дефекты

CWE-203

Связанные уязвимости

CVE-2021-33560

CVSS3: 7.5

ubuntu

около 4 лет назад

CVE-2021-33560

CVSS3: 7.5

redhat

около 4 лет назад

CVE-2021-33560

CVSS3: 7.5

msrc

около 4 лет назад

Описание отсутствует

CVE-2021-33560

CVSS3: 7.5

debian

около 4 лет назад

Libgcrypt before 1.8.8 and 1.9.x before 1.9.3 mishandles ElGamal encry ...

openSUSE-SU-2021:2157-1

suse-cvrf

около 4 лет назад

Security update for libgcrypt

EPSS

Процентиль: 66%

0.0053

Низкий

7.5 High

CVSS3

5 Medium

CVSS2

Дефекты

CWE-203