CVE-2023-40594: Denial of Service (DoS) via the ‘printf’ Search Function
First published: Wed Aug 30 2023(Updated: )
In Splunk Enterprise versions lower than 8.2.12, 9.0.6, and 9.1.1, an attacker can use the `printf` SPL function to perform a denial of service (DoS) against the Splunk Enterprise instance.
Credit: prodsec@splunk.com prodsec@splunk.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Splunk Splunk | >=8.2.0<8.2.12 | |
| Splunk Splunk | >=9.0.0<9.0.6 | |
| Splunk Splunk | =9.1.0 | |
| Splunk Splunk Cloud Platform | <=9.0.2305.100 |
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Reference Links
Frequently Asked Questions
What is CVE-2023-40594?
CVE-2023-40594 is a vulnerability in Splunk Enterprise versions lower than 8.2.12, 9.0.6, and 9.1.1 that allows an attacker to perform a denial of service (DoS) using the `printf` SPL function.
How does CVE-2023-40594 affect Splunk Enterprise?
CVE-2023-40594 affects Splunk Enterprise versions lower than 8.2.12, 9.0.6, and 9.1.1.
What is the severity of CVE-2023-40594?
The severity of CVE-2023-40594 is high, with a severity value of 7.5.
How can an attacker exploit CVE-2023-40594?
An attacker can exploit CVE-2023-40594 by using the `printf` SPL function to perform a denial of service (DoS) against the Splunk Enterprise instance.
How can I protect my Splunk Enterprise instance from CVE-2023-40594?
To protect your Splunk Enterprise instance from CVE-2023-40594, update to versions 8.2.12, 9.0.6, or 9.1.1 of Splunk Enterprise.
- collector/nvd-index
- agent/references
- agent/author
- agent/type
- agent/event
- agent/softwarecombine
- agent/first-publish-date
- agent/title
- agent/weakness
- agent/tags
- agent/severity
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- vendor/splunk
- canonical/splunk splunk
- version/splunk splunk/8.2.0
- version/splunk splunk/9.0.0
- version/splunk splunk/9.1.0
- canonical/splunk splunk cloud platform
- version/splunk splunk cloud platform/9.0.2305.100