A denial of service vulnerability was discovered in ZooKeeper which allows an attacker to dramatically increase CPU utilization by abusing "wchp/wchc" commands, leading to the server being unable to serve legitimate requests.
Find out more about CVE-2017-5637 from the MITRE CVE dictionary dictionary and NIST NVD.
| CVSS3 Base Score | 7.5 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity Impact | None |
| Availability Impact | High |
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat JBoss BPMS 6.4 | RHSA-2017:3355 | 2017-11-30 |
| Red Hat JBoss BRMS 6.4 | RHSA-2017:3354 | 2017-11-30 |
| Red Hat JBoss Data Virtualization 6.3 | RHSA-2017:2477 | 2017-08-15 |
| Platform | Package | State |
|---|---|---|
| Red Hat OpenShift Enterprise 2 | zookeeper | Will not fix |
| Red Hat JBoss Fuse 6 | zookeeper | Will not fix |
| Red Hat JBoss A-MQ 6 | zookeeper | Will not fix |
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