CVE-2014-3591: Infoleak
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 Software
Remediation
Event History
Frequently Asked Questions
What is the vulnerability ID of this vulnerability?
The vulnerability ID of this vulnerability is CVE-2014-3591.
What is the severity rating of CVE-2014-3591?
CVE-2014-3591 has a severity rating of 4.2 (medium).
Which software products are affected by CVE-2014-3591?
The affected software products are Libgcrypt before 1.6.3, GnuPG before 1.4.19, and Debian Linux 7.0 and 8.0.
What is the impact of CVE-2014-3591?
The impact of CVE-2014-3591 is that physically proximate attackers can obtain the server's private key.
How can I mitigate CVE-2014-3591?
To mitigate CVE-2014-3591, you should update to Libgcrypt version 1.6.3 or later, GnuPG version 1.4.19 or later, or the fixed version of Debian Linux.