VDB
CVE-2017-5637
CVE-2017-5637
PUBLISHED
CVSS 7.5 HIGH
Two four letter word commands "wchp/wchc" are CPU intensive and could cause spike of CPU utilization on Apache ZooKeeper server if abused, which leads to the server unable to serve legitimate client requests. Apache ZooKeeper thru version 3.4.9 and 3.5.2 suffer from this issue, fixed in 3.4.10, 3.5.3, and later.
EPSS 73.06% · 99.4th percentile
Risk Scores
CVSS 3.0
7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
73.06%
99.4th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:Pro:14.04:LTS | zookeeper | 0, 3.4.5+dfsg-1 |
| Ubuntu:Pro:16.04:LTS | zookeeper | 0, 3.4.6-8, 3.4.7-1 |
Timeline
- Oct 10, 2017 CVE Published
- Oct 3, 2019 CVE Updated
- Apr 14, 2021 EPSS Score
- Jul 21, 2021 EPSS Score
- Aug 25, 2021 EPSS Score
- Dec 28, 2021 EPSS Score
- Mar 1, 2022 EPSS Score
- Jul 5, 2022 EPSS Score
- Sep 7, 2022 EPSS Score
- Jan 11, 2023 EPSS Score
- Mar 14, 2023 EPSS Score
- May 16, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2017-5637 third-party-advisory
- https://issues.apache.org/jira/browse/ZOOKEEPER-2693 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2017-5637 third-party-advisory
- https://ubuntu.com/security/notices/USN-4789-1 vendor-advisory