Elasticsearch StackOverflow vulnerability
CVE-2023-31419

7.5HIGH

Key Information:

Vendor

Elastic
Status
Elastic
Vendor
CVE Published:
26 October 2023

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 14%

What is CVE-2023-31419?

A vulnerability has been identified in Elasticsearch's search API that permits an attacker to exploit a specially crafted query string. This flaw can lead to a stack overflow condition, which may result in denial of service, effectively making the affected Elasticsearch instances unresponsive. Users are encouraged to apply the latest security updates to mitigate this issue.

Affected Version(s)

Elasticsearch 7.0.0 < 7.17.12

Elasticsearch 8.0.0 < 8.9.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

Elasticsearch-Exploit-CVE-2023-31419
Created by sqrtZeroKnowledge

Elasticsearch-CVE-2023-31419
Created by u238

References

https://discuss.elastic.co/t/elasticsearch-8-9-1-7-17-13-...
https://www.elastic.co/community/security
https://security.netapp.com/advisory/ntap-20231116-0010/

EPSS Score

14% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability Reserved

.
CVE-2023-31419 : Elasticsearch StackOverflow vulnerability