The mpi_powm function in Libgcrypt before 1.6.3 and GnuPG before 1.4.19 allows attackers to obtain sensitive information by leveraging timing differences when accessing a pre-computed table during modular exponentiation, related to a "Last-Level Cache Side-Channel Attack."
CVSS Details
- CVSS 3.1 Base Score: 5.9
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/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 | — | Upgrade gnupgUpgrade libgcrypt20Upgrade libgcrypt11 | Jul 30, 2024 | Nov 29, 2019 |
| Gentoo Linux | — | Upgrade app-crypt/gnupg.Upgrade dev-libs/libgcrypt. | Oct 30, 2017 | Oct 10, 2016 |
| Huawei Euleros 2_0_sp2 | — | Upgrade libgcryptUpgrade libgcrypt-devel | Jun 17, 2020 | Nov 29, 2019 |
| Huawei Euleros 2_0_sp3 | — | Upgrade libgcryptUpgrade libgcrypt-devel | Apr 16, 2020 | Nov 29, 2019 |
| Huawei Euleros 2_0_sp5 | — | Upgrade libgcrypt-develUpgrade libgcrypt | Feb 24, 2020 | Nov 29, 2019 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Nov 29, 2019 |
| Suse | — | Upgrade libgcrypt11-32bitUpgrade libgcrypt11Upgrade libgcrypt-develUpgrade libgcrypt11-x86Upgrade libgcrypt20-hmac-32bitUpgrade libgcrypt20-32bitUpgrade libgcrypt20Upgrade libgcrypt-devel-32bitUpgrade libgcrypt20-hmac | Dec 18, 2015 | Apr 1, 2015 |
| Ubuntu | — | Upgrade libgcrypt20Upgrade gnupgUpgrade gnupg2Upgrade libgcrypt11 | Nov 8, 2024 | Nov 29, 2019 |
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