CVE-2015-7511

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    CVE-2015-7511

    Published: 19 Apr 2016Last Modified: 16 Apr 2026

    Summary:

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

    Affected packages

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2015-7511 | CVE-DB