Libgcrypt before 1.6.3 and GnuPG before 1.4.19 does not implement ciphertext blinding for Elgamal decryption, which allows physically proximate attackers to obtain the server's private key by determining factors using crafted ciphertext and the fluctuations in the electromagnetic field during multiplication.
CVSS Details
- CVSS 3.1 Base Score: 4.2
- CVSS 3.1 Vector: (CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | debian-upgrade-gnupgdebian-upgrade-libgcrypt11debian-upgrade-libgcrypt20 | Jul 30, 2024 | Nov 29, 2019 | |
| Gentoo Linux | gentoo-linux-upgrade-app-crypt-gnupggentoo-linux-upgrade-dev-libs-libgcrypt | Oct 30, 2017 | Oct 10, 2016 | |
| Huawei Euleros 2_0_sp2 | huawei-euleros-2_0_sp2-upgrade-libgcrypthuawei-euleros-2_0_sp2-upgrade-libgcrypt-devel | Jun 17, 2020 | Nov 29, 2019 | |
| Huawei Euleros 2_0_sp3 | huawei-euleros-2_0_sp3-upgrade-libgcrypthuawei-euleros-2_0_sp3-upgrade-libgcrypt-devel | Apr 16, 2020 | Nov 29, 2019 | |
| Huawei Euleros 2_0_sp5 | huawei-euleros-2_0_sp5-upgrade-libgcrypthuawei-euleros-2_0_sp5-upgrade-libgcrypt-devel | Dec 27, 2019 | Nov 29, 2019 | |
| Oracle Solaris | oracle-solaris-11-4-upgrade-system-library-security-libgcrypt-1-8-8-11-4-36-0-1-101-0 | Aug 27, 2021 | Nov 29, 2019 | |
| Redhat_linux | no-fix-redhat-rpm-package | Jul 9, 2025 | Nov 29, 2019 | |
| Ubuntu | ubuntu-upgrade-gnupgubuntu-upgrade-gnupg2ubuntu-upgrade-libgcrypt11ubuntu-upgrade-libgcrypt20 | Nov 8, 2024 | Nov 29, 2019 |
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