UBUNTU-CVE-2018-8012

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    UBUNTU-CVE-2018-8012

    Published: 21 May 2018Last Modified: 22 Apr 2026
    Upstream:
    CVE-2018-8012
    Aliases:
    USN-4789-1

    Summary:

    Details: No authentication/authorization is enforced when a server attempts to join a quorum in Apache ZooKeeper before 3.4.10, and 3.5.0-alpha through 3.5.3-beta. As a result an arbitrary end point could join the cluster and begin propagating counterfeit changes to the leader.

    References: https://ubuntu.com/security/CVE-2018-8012, https://issues.apache.org/jira/browse/ZOOKEEPER-1045, http://www.openwall.com/lists/oss-security/2018/05/21/6, https://cwiki.apache.org/confluence/display/ZOOKEEPER/Server-Server+mutual+authentication, https://issues.apache.org/jira/secure/attachment/12840904/ZOOKEEPER-1045-br-3-4.patch, https://lists.apache.org/thread.html/c75147028c1c79bdebd4f8fa5db2b77da85de2b05ecc0d54d708b393@%3Cdev.zookeeper.apache.org%3E, https://ubuntu.com/security/notices/USN-4789-1, https://www.cve.org/CVERecord?id=CVE-2018-8012

    Affected packages

    Package

    Name: zookeeper

    Purl: pkg:deb/ubuntu/[email protected]+dfsg-1ubuntu0.1~esm3?arch=source&distro=esm-infra-legacy/trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    3.4.5+dfsg-1
    3.4.5+dfsg-1ubuntu0.1~esm1
    3.4.5+dfsg-1ubuntu0.1~esm3

    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