CVE-2015-7511

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Summary

CVECVE-2015-7511
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-04-19 21:59:03 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionLibgcrypt 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.

Risk And Classification

Primary CVSS: v3.0 2 LOW from [email protected]

CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Problem Types: CWE-200 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary2LOWCVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
2.0[email protected]Primary1.9AV:L/AC:M/Au:N/C:P/I:N/A:N

CVSS v3.0 Breakdown

Attack Vector
Physical
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None

AV:L/AC:M/Au:N/C:P/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Canonical Ubuntu Linux 12.04 All All All
Operating System Canonical Ubuntu Linux 14.04 All All All
Operating System Canonical Ubuntu Linux 15.10 All All All
Operating System Debian Debian Linux 7.0 All All All
Operating System Debian Debian Linux 8.0 All All All
Application Gnupg Libgcrypt All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
ECDH Key-Extraction via Low-Bandwidth Electromagnetic Attacks on PCs af854a3a-2127-422b-91ae-364da2661108 www.cs.tau.ac.IL
Debian -- Security Information -- DSA-3474-1 libgcrypt20 af854a3a-2127-422b-91ae-364da2661108 www.debian.org
Debian -- Security Information -- DSA-3478-1 libgcrypt11 af854a3a-2127-422b-91ae-364da2661108 www.debian.org
USN-2896-1: Libgcrypt vulnerability | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
[Announce] Libgcrypt 1.6.5 with security fix released af854a3a-2127-422b-91ae-364da2661108 lists.gnupg.org Vendor Advisory
GNU Libgcrypt CVE-2015-7511 Security Bypass Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
libgcrypt: Multiple vulnerabilities (GLSA 201610-04) — Gentoo Security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org
openSUSE-SU-2016:1227-1: moderate: Security update for libgcrypt af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
[SECURITY] Fedora 24 Update: libgcrypt-1.6.5-1.fc24 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
[SECURITY] Fedora 24 Update: libgcrypt-1.6.5-1.fc24 - package-announce - Fedora Mailing-Lists MITRE lists.fedoraproject.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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