CVE-2015-7511

LOW

Libgcrypt < 1.6.5 - ECDH Key Extraction via Electromagnetic Side-Channel

Title source: llm
STIX 2.1

Description

Libgcrypt before 1.6.5 does not properly perform elliptic-point curve multiplication during decryption, which makes it easier for physically proximate attackers to extract ECDH keys by measuring electromagnetic emanations.

References (9)

Core 9
Core References
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2016/dsa-3478
Vendor Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2896-1
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201610-04
Vendor Advisory mailing-list x_refsource_mlist
https://lists.gnupg.org/pipermail/gnupg-announce/2016q1/000384.html
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2016/dsa-3474
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/83253
Mailing List vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2016-05/msg00027.html
Various Sources x_refsource_misc
http://www.cs.tau.ac.IL/~tromer/ecdh/

Scores

CVSS v3 2.0
EPSS 0.0043
EPSS Percentile 34.5%
Attack Vector PHYSICAL
CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Details

CWE
CWE-200
Status published
Products (6)
canonical/ubuntu_linux 12.04
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 15.10
debian/debian_linux 7.0
debian/debian_linux 8.0
gnupg/libgcrypt < 1.6.4
Published Apr 19, 2016
Tracked Since Feb 18, 2026