Buffer overflow in Elastic Elasticsearch
CVE-2023-31419
A flaw was discovered in Elasticsearch, affecting the _search API that allowed a specially crafted query string to cause a Stack Overflow and ultimately a Denial of Service.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.617 (99.2th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.615 · newest: 0.617 · change: +0.003
Affected products
- Elastic Elasticsearch — versions 7.0.0, 8.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- discuss.elastic.co/t/elasticsearch-8-9-1-7-17-13-security-update/343297 (Vendor Advisory)
- www.elastic.co/community/security (Vendor Advisory)
- security.netapp.com/advisory/ntap-20231116-0010/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-31419?
- CVE-2023-31419 is a medium-severity vulnerability in Elastic Elasticsearch, classified under Stack-based Buffer Overflow. CVSS score: 6.5/10. Published 2023-10-26.
- How severe is CVE-2023-31419?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2023-31419 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.