Buffer overflow in Apache Zookeeper
CVE-2016-5017
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.068 (94.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.079 · newest: 0.068 · change: -0.011
Affected products
- Apache Zookeeper — versions 3.5.0, 3.5.1, 3.5.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.openwall.com/lists/oss-security/2016/09/17/3 (mailing-list, Third Party Advisory, Release Notes)
- www.securityfocus.com/bid/93044 (vdb-entry)
- lists.apache.org/thread.html/053d9ce4d579b02203db18545fee5e33f35f2932885459b74d… (mailing-list)
- lists.apache.org/thread.html/bcce5a9c532b386c68dab2f6b3ce8b0cc9b950ec551766e763… (mailing-list)
- lists.apache.org/thread.html/rca37935d661f4689cb4119f1b3b224413b22be161b678e6e6… (mailing-list)
- www.oracle.com/security-alerts/cpujul2020.html
- www.cloudera.com/documentation/other/security-bulletins/topics/csb_topic_1.html
- git-wip-us.apache.org/repos/asf
- zookeeper.apache.org/security.html (Vendor Advisory)
- packetstormsecurity.com/files/138755/ZooKeeper-3.4.8-3.5.2-Buffer-Overflow.html (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-5017?
- CVE-2016-5017 is a high-severity vulnerability in Apache Zookeeper, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.1/10. Published 2016-09-21.
- How severe is CVE-2016-5017?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2016-5017 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.