CVE-2023-40594

Denial of Service (DoS) via the ‘printf’ Search Function

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

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.

*Credits: Danylo Dmytriiev (DDV_UA)

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

None

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2023-08-16 CVE Reserved
2023-08-30 CVE Published
2024-09-03 CVE Updated
2024-09-05 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-400: Uncontrolled Resource Consumption

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://advisory.splunk.com/advisories/SVD-2023-0803	2024-04-10
https://research.splunk.com/application/78b48d08-075c-4eac-bd07-e364c3780867	2024-04-10

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Splunk Search vendor "Splunk"		Splunk Search vendor "Splunk" for product "Splunk"				>= 8.2.0 < 8.2.12 Search vendor "Splunk" for product "Splunk" and version " >= 8.2.0 < 8.2.12"		enterprise		Affected
Splunk Search vendor "Splunk"		Splunk Search vendor "Splunk" for product "Splunk"				>= 9.0.0 < 9.0.6 Search vendor "Splunk" for product "Splunk" and version " >= 9.0.0 < 9.0.6"		enterprise		Affected
Splunk Search vendor "Splunk"		Splunk Search vendor "Splunk" for product "Splunk"				9.1.0 Search vendor "Splunk" for product "Splunk" and version "9.1.0"		enterprise		Affected
Splunk Search vendor "Splunk"		Splunk Cloud Platform Search vendor "Splunk" for product "Splunk Cloud Platform"				<= 9.0.2305.100 Search vendor "Splunk" for product "Splunk Cloud Platform" and version " <= 9.0.2305.100"		-		Affected