UBUNTU-CVE-2015-7511

    Dashboard / Vulnerabilities / UBUNTU-CVE-2015-7511

    UBUNTU-CVE-2015-7511

    Published: 31 Dec 2015Last Modified: 22 Apr 2026
    Upstream:
    CVE-2015-7511
    Aliases:
    USN-2896-1

    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: https://ubuntu.com/security/CVE-2015-7511, http://www.cs.tau.ac.IL/~tromer/ecdh/, https://lists.gnupg.org/pipermail/gnupg-announce/2016q1/000384.html, https://ubuntu.com/security/notices/USN-2896-1, https://www.cve.org/CVERecord?id=CVE-2015-7511

    Affected packages

    Package

    Name: libgcrypt11

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.5.3-2ubuntu4.3

    Affected versions

    1.5.0-3ubuntu3
    1.5.3-2ubuntu1
    1.5.3-2ubuntu4
    1.5.3-2ubuntu4.1
    1.5.3-2ubuntu4.2

    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