CVE-2014-3591

MEDIUM EPSS 43.2%
Published Nov 29, 20196y ago · Modified Jun 17, 20262w ago
4.2 CVSS 3.1
Medium
Find Similar
Published Nov 29, 2019 6y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
4.2
Exploitability
0.5
Impact
3.6
Vector string
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector Physical
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability None

Threat Intelligence

EPSS Exploit Probability
43.2% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor Information Exposure

Affected Products 4

VendorProductVersionRange
gnupggnupg* <1.4.19
gnupglibgcrypt* <1.6.3
debiandebian_linux7.0any
debiandebian_linux8.0any

References 5

  • cs.tau.ac.il http://www.cs.tau.ac.il/~tromer/radioexp/
    Third Party Advisory
  • debian.org http://www.debian.org/security/2015/dsa-3184
    Third Party Advisory
  • debian.org http://www.debian.org/security/2015/dsa-3185
    Third Party Advisory
  • lists.gnupg.org https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.html
    PatchRelease NotesVendor Advisory
  • lists.gnupg.org https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000364.html
    PatchVendor Advisory

Remediation

  • lists.gnupg.org https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.html
    PatchRelease NotesVendor Advisory
  • lists.gnupg.org https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000364.html
    PatchVendor Advisory