UBUNTU-CVE-2018-10846

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    UBUNTU-CVE-2018-10846

    Published: 22 Aug 2018Last Modified: 22 Jul 2026
    Upstream:
    CVE-2018-10846
    Aliases:
    USN-3999-1

    Summary:

    Details: A cache-based side channel in GnuTLS implementation that leads to plain text recovery in cross-VM attack setting was found. An attacker could use a combination of "Just in Time" Prime+probe attack in combination with Lucky-13 attack to recover plain text using crafted packets.

    References: https://ubuntu.com/security/CVE-2018-10846, https://eprint.iacr.org/2018/747, https://ubuntu.com/security/notices/USN-3999-1, https://www.cve.org/CVERecord?id=CVE-2018-10846

    Affected packages

    Package

    Name: gnutls26

    Purl: pkg:deb/ubuntu/gnutls26?arch=source&distro=esm-infra-legacy%2Ftrusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    2.12.23-1ubuntu4
    2.12.23-1ubuntu5
    2.12.23-12ubuntu1
    2.12.23-12ubuntu2
    2.12.23-12ubuntu2.1
    2.12.23-12ubuntu2.2
    2.12.23-12ubuntu2.3
    2.12.23-12ubuntu2.4
    2.12.23-12ubuntu2.5
    2.12.23-12ubuntu2.6
    2.12.23-12ubuntu2.7
    2.12.23-12ubuntu2.8
    2.12.23-12ubuntu2.10+esm1

    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