CVE-2023-40594: Denial of Service (DoS) via the ‘printf’ Search Function

Published 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.

Affected Software

4 affected components
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

Event History

Aug 30, 2023
CVE Published
04:19 PM
Data Sourced
04:19 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

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.

2

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.

3

What is the severity of CVE-2023-40594?

The severity of CVE-2023-40594 is high, with a severity value of 7.5.

4

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.

5

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.

Contact

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