What’s Vulnerable › Vulnerabilities
CVE-2018-8012
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 8.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2018-05-21 · updated 2026-06-17
- Weakness: CWE-862
Description
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.
Affected products
- Apache Software Foundation Apache ZooKeeper: before 3.4.10; from 3.5.0 through 3.5.3; 3.5.0-alpha, 3.5.3-beta — fixed in 3.4.10
- Debian Linux: 8.0, 9.0
- Oracle Corporation GoldenGate Stream Analytics: before 19.1.0.0.1 — fixed in 19.1.0.0.1
How to fix
Upgrade to a fixed version: Apache Software Foundation Apache ZooKeeper 3.4.10; Oracle Corporation GoldenGate Stream Analytics 19.1.0.0.1. Check the vendor advisory for mitigations.
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
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