Description (CNA)
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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| GNU / Libgcrypt | affected before 1.6.3 |
| GNU / GnuPG | affected before 1.4.19 |
CWE
No CWE identifiers supplied.
References
- http://www.cs.tau.ac.il/~tromer/radioexp/
- https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.html
- https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000364.html
- http://www.debian.org/security/2015/dsa-3184
- http://www.debian.org/security/2015/dsa-3185
ADP enrichment
No English description supplied.