VDB-238343 · CVE-2023-40598 · SVD-2023-0807

Splunk Enterprise up to 8.2.11/9.0.5/9.1.0 Lookup code injection

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.2	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Splunk Enterprise up to 8.2.11/9.0.5/9.1.0. It has been rated as critical. The affected element is an unknown function of the component Lookup Handler. The manipulation leads to code injection. This vulnerability is listed as CVE-2023-40598. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Splunk Enterprise up to 8.2.11/9.0.5/9.1.0 (Log Management Software) and classified as critical. This issue affects an unknown function of the component Lookup Handler. The manipulation with an unknown input leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In Splunk Enterprise versions below 8.2.12, 9.0.6, and 9.1.1, an attacker can create an external lookup that calls a legacy internal function. The attacker can use this internal function to insert code into the Splunk platform installation directory. From there, a user can execute arbitrary code on the Splunk platform Instance.

The weakness was presented 08/30/2023 as SVD-2023-0807. It is possible to read the advisory at advisory.splunk.com. The identification of this vulnerability is CVE-2023-40598 since 08/16/2023. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

Upgrading to version 8.2.12, 9.0.6 or 9.1.1 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Log Management Software

Vendor

Splunk

Name

Enterprise

Version

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.5
CNA Vector (Splunk Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Enterprise 8.2.12/9.0.6/9.1.1

Timelineinfo

08/16/2023 🔍
08/30/2023 +14 days 🔍
08/30/2023 +0 days 🔍
09/27/2023 +28 days 🔍

Sourcesinfo

Advisory: SVD-2023-0807
Status: Confirmed

CVE: CVE-2023-40598 (🔍)
GCVE (CVE): GCVE-0-2023-40598
GCVE (VulDB): GCVE-100-238343

Entryinfo

Created: 08/30/2023 19:32
Updated: 09/27/2023 06:58
Changes: 08/30/2023 19:32 (52), 09/27/2023 06:58 (11)
Complete: 🔍
Cache ID: 216::103