CVE-2015-7511

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.

Category

2.0
CVSS
Severity: Low
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.04%
Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory gentoo.org Vendor Advisory debian.org Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory gnupg.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.debian.org/security/2016/dsa-3478 vendor advisory
http://www.ubuntu.com/usn/USN-2896-1 vendor advisory
https://security.gentoo.org/glsa/201610-04 vendor advisory
https://lists.gnupg.org/pipermail/gnupg-announce/2016q1/000384.html mailing list vendor advisory
http://www.debian.org/security/2016/dsa-3474 vendor advisory
http://www.securityfocus.com/bid/83253 vdb entry
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W2IL4PAEICHGA2XMQYRY3MIWHM4GMPAG/ vendor advisory
http://lists.opensuse.org/opensuse-updates/2016-05/msg00027.html vendor advisory
http://www.cs.tau.ac.IL/~tromer/ecdh/

Frequently Asked Questions

What is the severity of CVE-2015-7511?
CVE-2015-7511 has been scored as a low severity vulnerability.
How to fix CVE-2015-7511?
To fix CVE-2015-7511, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-7511 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2015-7511 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.