CVE-2014-3591

Description

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.

Category

4.2
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.14%
Vendor Advisory gnupg.org Vendor Advisory gnupg.org
Affected: GNU Libgcrypt
Affected: GNU GnuPG
Published at:
Updated at:

References

Link Tags
http://www.cs.tau.ac.il/~tromer/radioexp/ third party advisory
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.html release notes patch vendor advisory
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000364.html patch vendor advisory
http://www.debian.org/security/2015/dsa-3184 third party advisory
http://www.debian.org/security/2015/dsa-3185 third party advisory

Frequently Asked Questions

What is the severity of CVE-2014-3591?
CVE-2014-3591 has been scored as a medium severity vulnerability.
How to fix CVE-2014-3591?
To fix CVE-2014-3591, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2014-3591 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2014-3591 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2014-3591?
CVE-2014-3591 affects GNU Libgcrypt, GNU GnuPG.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.