CVE-2014-3591

4.2MEDIUM

Key Information:

Vendor
Gnu
Status
Libgcrypt
Gnupg
Vendor
CVE Published:
29 November 2019

Summary

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 Version(s)

GnuPG before 1.4.19

Libgcrypt before 1.6.3

References

http://www.cs.tau.ac.il/~tromer/radioexp/
x_refsource_MISC
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/0...
x_refsource_MISC
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/0...
x_refsource_MISC

CVSS V3.1

Score:
4.2
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Physical
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.