CVE-2014-3591

Publication date 31 December 2014

Last updated 25 August 2025

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

4.2 · Medium

Score breakdown

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.

Status

Package Ubuntu Release Status
gnupg 14.10 utopic
Fixed 1.4.16-1.2ubuntu1.2
14.04 LTS trusty
Fixed 1.4.16-1ubuntu2.3
12.04 LTS precise
Fixed 1.4.11-3ubuntu2.9
10.04 LTS lucid
Fixed 1.4.10-2ubuntu1.8
libgcrypt11 14.10 utopic
Fixed 1.5.4-2ubuntu1.1
14.04 LTS trusty
Fixed 1.5.3-2ubuntu4.2
12.04 LTS precise
Fixed 1.5.0-3ubuntu0.4
10.04 LTS lucid
Fixed 1.4.4-5ubuntu2.4
libgcrypt20 14.10 utopic
Fixed 1.6.1-2ubuntu1.14.10.1
14.04 LTS trusty
Fixed 1.6.1-2ubuntu1.14.04.1
12.04 LTS precise Not in release
10.04 LTS lucid Not in release

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
gnupg
libgcrypt11
libgcrypt20

Severity score breakdown

CVSS version: CVSS v3.0

Base score 4.2 · Medium

Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

References

Related Ubuntu Security Notices (USN)

Other references

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