CVE-2015-7511

low-risk

Published 2016-04-19

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.

Do I need to act?

0.05% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 2.0/10 Low

PHYSICAL / HIGH complexity

Affected Products (6)

Libgcrypt

Debian Linux

Ubuntu Linux

Affected Vendors

Debian Canonical Gnupg

References (18)

http://lists.opensuse.org/opensuse-updates/2016-05/msg00027.html

http://www.cs.tau.ac.IL/~tromer/ecdh/

http://www.debian.org/security/2016/dsa-3474

http://www.debian.org/security/2016/dsa-3478

http://www.securityfocus.com/bid/83253

http://www.ubuntu.com/usn/USN-2896-1

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...

Vendor Advisory https://lists.gnupg.org/pipermail/gnupg-announce/2016q1/000384.html

https://security.gentoo.org/glsa/201610-04