CVE-2017-5637GHSA-7CWJ-J333-X7F7
Two four letter word commands "wchp/wchc" are CPU intensive and could cause spike of CPU utilization on Apache ZooKeeper server if abused, w
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 3.4.10, 3.5.3
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- 1 on Exploit-DB
Summary
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.
Timeline
- Public exploit on Exploit-DB
EDB-42294
- CVE published
- Record last updated
- EPSS reached 10%
FIRST estimates at least a 10% chance of exploitation in the next 30 days
Affected versions
- Apache Software Foundation Apache ZooKeeper
3.4.0 to 3.4.9, 3.5.0 to 3.5.2
- org.apache.zookeeper:zookeeperMaven
From 3.4.0 · fixed in 3.4.10
- org.apache.zookeeper:zookeeperMaven
From 3.5.0 · fixed in 3.5.3
References 13
lists.apache.org
- thread.html/58170aeb7a681d462b7fa31cae81110cbb749d2dc83c5736a0bb8370@<dev.zookeeper.apache.org>
- thread.html/053d9ce4d579b02203db18545fee5e33f35f2932885459b74d1e4272@<issues.activemq.apache.org>
- thread.html/bcce5a9c532b386c68dab2f6b3ce8b0cc9b950ec551766e76391caa3@<commits.nifi.apache.org>
- thread.html/rca37935d661f4689cb4119f1b3b224413b22be161b678e6e6ce0c69b@<commits.nifi.apache.org>