CVE-2024-23443
Published: 19 June 2024
Summary
CVE-2024-23443 is a medium-severity Uncontrolled Resource Consumption (CWE-400) vulnerability in Elastic Kibana. Its CVSS base score is 4.9 (Medium).
Operationally, ranked in the top 9.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2024-23443 is a denial-of-service vulnerability in Kibana that stems from improper handling of osquery packs. A high-privileged user permitted to create custom osquery packs can upload a maliciously crafted pack, triggering resource exhaustion that affects the availability of the Kibana instance. The flaw carries a CVSS v3.1 score of 4.9 and is associated with CWE-400.
An attacker with the necessary administrative privileges can exploit the issue over the network without user interaction, resulting in loss of availability while leaving confidentiality and integrity unaffected. No special conditions beyond the high privilege level are required.
Elastic security advisories reference the issue under ESA-2024-11 and direct users to apply the fixes released in Kibana 8.14.0 and 7.17.22.
The associated EPSS score remains at 0.0539 with no material increase observed since disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-20947
Vulnerability details
A high-privileged user, allowed to create custom osquery packs 17 could affect the availability of Kibana by uploading a maliciously crafted osquery pack.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Limiting concurrent sessions directly prevents uncontrolled resource consumption by capping the number of active sessions per user or account.
Analysis identifies uncontrolled resource consumption indicative of denial-of-service or abuse attempts.
Contingency plan testing includes resource exhaustion scenarios to verify recovery, making it harder for attackers to sustain exploits that cause uncontrolled consumption.
Updated contingency plans include current procedures to detect, contain, and recover from resource exhaustion, limiting an attacker's ability to sustain impact from uncontrolled consumption.
Alternate site allows resumption of operations if resource exhaustion at the primary site is exploited to cause unavailability.
Alternate telecommunications services enable resumption of essential functions when primary services become unavailable due to uncontrolled resource consumption.
The team can analyze and respond to resource exhaustion incidents, reducing the impact of attacks that exploit uncontrolled consumption weaknesses.
Timely maintenance support and spare parts enable rapid recovery from failures induced by uncontrolled resource consumption, shortening the impact window of denial-of-service attacks.