What’s Vulnerable › Vulnerabilities

CVE-2016-5017

• Severity: high (CVSS 8.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 6.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2016-09-21 · updated 2026-06-17
• Weakness: CWE-119

Description

Buffer overflow in the C cli shell in Apache Zookeeper before 3.4.9 and 3.5.x before 3.5.3, when using the "cmd:" batch mode syntax, allows attackers to have unspecified impact via a long command string.

Affected products

• Apache Software Foundation Apache ZooKeeper: through 3.4.8; 3.5.0, 3.5.1, 3.5.2

References

• http://packetstormsecurity.com/files/138755/ZooKeeper-3.4.8-3.5.2-Buffer-Overflow.html
• http://www.openwall.com/lists/oss-security/2016/09/17/3
• http://www.securityfocus.com/bid/93044
• https://git-wip-us.apache.org/repos/asf?p=zookeeper.git%3Ba=commitdiff%3Bh=27ecf981a15554dc8e64a28630af7a5c9e2bdf4f
• https://git-wip-us.apache.org/repos/asf?p=zookeeper.git%3Ba=commitdiff%3Bh=f09154d6648eeb4ec5e1ac8a2bacbd2f8c87c14a
• 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/r4b743f407244294f316325458ccaabfce9cd70ca3a6423dbe574035c%40%3Cnotifications.dubbo.apache.org%3E
• https://lists.apache.org/thread.html/rca37935d661f4689cb4119f1b3b224413b22be161b678e6e6ce0c69b%40%3Ccommits.nifi.apache.org%3E
• https://www.cloudera.com/documentation/other/security-bulletins/topics/csb_topic_1.html
• https://www.oracle.com/security-alerts/cpujul2020.html
• https://zookeeper.apache.org/security.html#CVE-2016-5017

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