Splunk Enterprise up to 9.1.5/9.2.2 on Windows Session Storage Configuration deserialization

CVSS Meta Temp Score
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CTI Interest Score
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8.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Splunk Enterprise up to 9.1.5/9.2.2 on Windows. It has been rated as very critical. This issue affects some unknown processing of the component Session Storage Configuration Handler. This manipulation causes deserialization. This vulnerability appears as CVE-2024-45733. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Splunk Enterprise up to 9.1.5/9.2.2 on Windows and classified as very critical. Affected by this vulnerability is an unknown function of the component Session Storage Configuration Handler. The manipulation with an unknown input leads to a deserialization vulnerability. The CWE definition for the vulnerability is CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In Splunk Enterprise for Windows versions below 9.2.3 and 9.1.6, a low-privileged user that does not hold the "admin" or "power" Splunk roles could perform a Remote Code Execution (RCE) due to an insecure session storage configuration.

The advisory is shared at advisory.splunk.com. This vulnerability is known as CVE-2024-45733 since 09/05/2024. The exploitation appears to be easy. The attack can be launched remotely. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/17/2024).

The vulnerability scanner Nessus provides a plugin with the ID 208948 (Splunk Enterprise 9.1.0 < 9.1.6, 9.2.0 < 9.2.3 (SVD-2024-1003)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 9.1.6 or 9.2.3 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (208948). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.7

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector (Splunk): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 208948
Nessus Name: Splunk Enterprise 9.1.0 < 9.1.6, 9.2.0 < 9.2.3 (SVD-2024-1003)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Enterprise 9.1.6/9.2.3

Timelineinfo

09/05/2024 🔍
10/14/2024 +39 days 🔍
10/14/2024 +0 days 🔍
10/17/2024 +3 days 🔍

Sourcesinfo

Advisory: SVD-2024-1003
Status: Confirmed

CVE: CVE-2024-45733 (🔍)
GCVE (CVE): GCVE-0-2024-45733
GCVE (VulDB): GCVE-100-280273

Entryinfo

Created: 10/14/2024 19:40
Updated: 10/17/2024 11:35
Changes: 10/14/2024 19:40 (66), 10/15/2024 12:54 (2), 10/17/2024 11:35 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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