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    CVE-2018-8012

    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.

    Published:May 21, 2018
    Last Modified:Nov 21, 2024
    EPS:May 21, 2018
    EPSS Score:0.00919
    CVSS Score:7.5

    Affected Products

    Vendor
    Apache
    Product
    Zookeeper
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Oracle
    Product
    Goldengate Stream Analytics

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-24308 (CVSS 7.5) — Improper handling of configuration values in ZKConfig in Apache ZooKeeper 3.8.5 and 3.9.4 on all platforms all…
    CVE-2026-24281 (CVSS 7.4) — Hostname verification in Apache ZooKeeper ZKTrustManager falls back to reverse DNS (PTR) when IP SAN validatio…
    CVE-2025-58457 (CVSS 4.3) — Improper permission check in ZooKeeper AdminServer lets authorized clients to run snapshot and restore command…
    CVE-2024-51504 (CVSS 9.1) — When using IPAuthenticationProvider in ZooKeeper Admin Server there is a possibility of Authentication Bypass …
    CVE-2024-23944 (CVSS 5.3) — Information disclosure in persistent watchers handling in Apache ZooKeeper due to missing ACL check. It allows…
    CVE-2023-44981 (CVSS 9.1) — Authorization Bypass Through User-Controlled Key vulnerability in Apache ZooKeeper. If SASL Quorum Peer authen…
    CVE-2021-21295 (CVSS 5.9) — Netty is an open-source, asynchronous event-driven network application framework for rapid development of main…
    CVE-2019-0201 (CVSS 5.9) — An issue is present in Apache ZooKeeper 1.0.0 to 3.4.13 and 3.5.0-alpha to 3.5.4-beta. ZooKeeper’s getACL() co…
    CVE-2017-5637 (CVSS 7.5) — Two four letter word commands "wchp/wchc" are CPU intensive and could cause spike of CPU utilization on Apache…
    CVE-2016-5017 (CVSS 8.1) — Buffer overflow in the C cli shell in Apache Zookeeper before 3.4.9 and 3.5.x before 3.5.3, when using the "cm…

    References

    http://www.securityfocus.com/bid/104253
    http://www.securitytracker.com/id/1040948
    https://lists.apache.org/thread.html/053d9ce4d579b02203db18545fee5e33f35f2932885459b74d1e4272%40%3Cissues.activemq.apache.org%3E
    https://lists.apache.org/thread.html/bcce5a9c532b386c68dab2f6b3ce8b0cc9b950ec551766e76391caa3%40%3Ccommits.nifi.apache.org%3E
    https://lists.apache.org/thread.html/c75147028c1c79bdebd4f8fa5db2b77da85de2b05ecc0d54d708b393%40%3Cdev.zookeeper.apache.org%3E
    https://lists.apache.org/thread.html/r73daf1fc5d85677d9a854707e1908d14e174b7bbb0c603709c0ab33f%40%3Coak-commits.jackrabbit.apache.org%3E
    https://lists.apache.org/thread.html/r8f0d920805af93033c488af89104e2d682662bacfb8406db865d5e14%40%3Cdev.jackrabbit.apache.org%3E
    https://lists.apache.org/thread.html/rc5bc4ddb0deabf8cfb69378cecee56fcdc76929bea9e6373cb863870%40%3Cdev.jackrabbit.apache.org%3E
    https://lists.apache.org/thread.html/rca37935d661f4689cb4119f1b3b224413b22be161b678e6e6ce0c69b%40%3Ccommits.nifi.apache.org%3E
    https://lists.apache.org/thread.html/re3a4048e9515d4afea416df907a612ed384a16c57cf99e97ee4a12f2%40%3Cdev.jackrabbit.apache.org%3E
    https://www.debian.org/security/2018/dsa-4214
    https://www.oracle.com/security-alerts/cpujul2020.html
    http://www.securityfocus.com/bid/104253
    http://www.securitytracker.com/id/1040948
    https://lists.apache.org/thread.html/053d9ce4d579b02203db18545fee5e33f35f2932885459b74d1e4272%40%3Cissues.activemq.apache.org%3E
    https://lists.apache.org/thread.html/bcce5a9c532b386c68dab2f6b3ce8b0cc9b950ec551766e76391caa3%40%3Ccommits.nifi.apache.org%3E
    https://lists.apache.org/thread.html/c75147028c1c79bdebd4f8fa5db2b77da85de2b05ecc0d54d708b393%40%3Cdev.zookeeper.apache.org%3E
    https://lists.apache.org/thread.html/r73daf1fc5d85677d9a854707e1908d14e174b7bbb0c603709c0ab33f%40%3Coak-commits.jackrabbit.apache.org%3E
    https://lists.apache.org/thread.html/r8f0d920805af93033c488af89104e2d682662bacfb8406db865d5e14%40%3Cdev.jackrabbit.apache.org%3E
    https://lists.apache.org/thread.html/rc5bc4ddb0deabf8cfb69378cecee56fcdc76929bea9e6373cb863870%40%3Cdev.jackrabbit.apache.org%3E
    https://lists.apache.org/thread.html/rca37935d661f4689cb4119f1b3b224413b22be161b678e6e6ce0c69b%40%3Ccommits.nifi.apache.org%3E
    https://lists.apache.org/thread.html/re3a4048e9515d4afea416df907a612ed384a16c57cf99e97ee4a12f2%40%3Cdev.jackrabbit.apache.org%3E
    https://www.debian.org/security/2018/dsa-4214
    https://www.oracle.com/security-alerts/cpujul2020.html

    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