VDB
CVE-2017-5637
CVE-2017-5637
PUBLISHED
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 17.45% · 95.2th percentile
Risk Scores
EPSS Score
17.45%
95.2th 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 |
Exploit Intelligence
Timeline
- Oct 10, 2017 CVE Published
- Oct 3, 2019 CVE Updated
- Apr 14, 2021 EPSS Score
- Jul 21, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Dec 27, 2021 EPSS Score
- Feb 4, 2022 EPSS Score
- May 2, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Nov 6, 2022 EPSS Score
- Jan 8, 2023 EPSS Score
- Mar 11, 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