CVE-2021-40530
- State
- Published
- Severity
- Not scored
- Published
- Sep 6, 2021
- Updated
- Aug 4, 2024
- Reserved
- Sep 6, 2021
Description
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.
Scores
The record has no CVSS score.
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- https://eprint.iacr.org/2021/923
- https://ibm.github.io/system-security-research-updates/2021/07/20/insecurity-elgamal-pt1
- https://ibm.github.io/system-security-research-updates/2021/09/06/insecurity-elgamal-pt2
- FEDORA-2021-8b14da0538vendor-advisory
- FEDORA-2021-a381a721a9vendor-advisory
- FEDORA-2021-6788250ea4vendor-advisory
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