The ElGamal implementation in Crypto++ through 8.5 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.
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 libcrypto++ | Jul 30, 2024 | Sep 6, 2021 |
| Freebsd | — | Upgrade cryptopp | Nov 4, 2022 | Feb 24, 2022 |
| Suse | — | Upgrade libcryptopp-develUpgrade libcryptopp8_6_0 | Oct 26, 2022 | Sep 6, 2021 |
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