Описание
The ElGamal implementation in Libgcrypt before 1.9.4 allows plaintext recovery because, during interaction between two cryptographic libraries, a certain dangerous combination of the prime defined by the receiver's public key, the generator defined by the receiver's public key, and the sender's ephemeral exponents can lead to a cross-configuration attack against OpenPGP.
A flaw was found in libgcrypt's ElGamal implementation, where it allows plain text recovery. During the interaction between two cryptographic libraries, a certain combination of the prime defined by the receiver's public key, the generator defined by the receiver's public key, and the sender's ephemeral exponents can lead to a cross-configuration attack against OpenPGP. The highest threat from this vulnerability is to confidentiality.
Отчет
Please note that there was a mixup between this CVE and CVE-2021-33560. At this time, both CVEs should be assumed to refer to the same issue. More information will be provided in the near future. See the first link in External References for more information.
Затронутые пакеты
| Платформа | Пакет | Состояние | Рекомендация | Релиз |
|---|---|---|---|---|
| Red Hat Enterprise Linux 6 | libgcrypt | Out of support scope | ||
| Red Hat Enterprise Linux 7 | libgcrypt | Out of support scope | ||
| Red Hat Enterprise Linux 9 | libgcrypt | Not affected | ||
| Red Hat Enterprise Linux 8 | libgcrypt | Fixed | RHSA-2022:5311 | 30.06.2022 |
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Дополнительная информация
Статус:
5.9 Medium
CVSS3
Связанные уязвимости
The ElGamal implementation in Libgcrypt before 1.9.4 allows plaintext recovery because, during interaction between two cryptographic libraries, a certain dangerous combination of the prime defined by the receiver's public key, the generator defined by the receiver's public key, and the sender's ephemeral exponents can lead to a cross-configuration attack against OpenPGP.
The ElGamal implementation in Libgcrypt before 1.9.4 allows plaintext recovery because, during interaction between two cryptographic libraries, a certain dangerous combination of the prime defined by the receiver's public key, the generator defined by the receiver's public key, and the sender's ephemeral exponents can lead to a cross-configuration attack against OpenPGP.
The ElGamal implementation in Libgcrypt before 1.9.4 allows plaintext ...
5.9 Medium
CVSS3