UBUNTU-CVE-2015-0837

    Dashboard / Vulnerabilities / UBUNTU-CVE-2015-0837

    UBUNTU-CVE-2015-0837

    Published: 2 Mar 2015Last Modified: 22 Apr 2026
    Upstream:
    CVE-2015-0837

    Summary:

    Details: The mpi_powm function in Libgcrypt before 1.6.3 and GnuPG before 1.4.19 allows attackers to obtain sensitive information by leveraging timing differences when accessing a pre-computed table during modular exponentiation, related to a "Last-Level Cache Side-Channel Attack."

    References: https://ubuntu.com/security/CVE-2015-0837, https://ubuntu.com/security/notices/USN-2554-1, https://ubuntu.com/security/notices/USN-2555-1, https://www.cve.org/CVERecord?id=CVE-2015-0837

    Affected packages

    Package

    Name: gnupg

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.4.16-1ubuntu2.3

    Affected versions

    1.4.14-1ubuntu2
    1.4.15-1.1ubuntu1
    1.4.15-1.1ubuntu2
    1.4.15-2ubuntu1
    1.4.16-1ubuntu1
    1.4.16-1ubuntu2
    1.4.16-1ubuntu2.1

    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