Splunk Enterprise up to 8.1.12/8.2.9/9.0.3 Filename Extension unrestricted upload

Summaryinfo

A vulnerability was found in Splunk Enterprise up to 8.1.12/8.2.9/9.0.3. It has been rated as critical. Impacted is an unknown function of the component Filename Extension Handler. The manipulation leads to unrestricted upload. This vulnerability is traded as CVE-2023-22937. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Splunk Enterprise up to 8.1.12/8.2.9/9.0.3 (Log Management Software). It has been rated as critical. This issue affects an unknown function of the component Filename Extension Handler. The manipulation with an unknown input leads to a unrestricted upload vulnerability. Using CWE to declare the problem leads to CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In Splunk Enterprise versions below 8.1.13, 8.2.10, and 9.0.4, the lookup table upload feature let a user upload lookup tables with unnecessary filename extensions. Lookup table file extensions may now be one of the following only: .csv, .csv.gz, .kmz, .kml, .mmdb, or .mmdb.gzl. For more information on lookup table files, see [About lookups](https://docs.splunk.com/Documentation/Splunk/latest/Knowledge/Aboutlookupsandfieldactions).

The weakness was shared 02/14/2023 as SVD-2023-0207. It is possible to read the advisory at advisory.splunk.com. The identification of this vulnerability is CVE-2023-22937 since 01/10/2023. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1608.002 according to MITRE ATT&CK.

Upgrading to version 8.1.13, 8.2.10 or 9.0.4 eliminates this vulnerability.

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Productinfo

Type

• Log Management Software

Vendor

• Splunk

Name

• Enterprise

Version

• 8.1.0
• 8.1.1
• 8.1.2
• 8.1.3
• 8.1.4
• 8.1.5
• 8.1.6
• 8.1.7
• 8.1.8
• 8.1.9
• 8.1.10
• 8.1.11
• 8.1.12
• 8.2.0
• 8.2.1
• 8.2.2
• 8.2.3
• 8.2.4
• 8.2.5
• 8.2.6
• 8.2.7
• 8.2.8
• 8.2.9
• 9.0.0
• 9.0.1
• 9.0.2
• 9.0.3

License

• commercial

CPE 2.3info

• 🔍
• 🔍
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CPE 2.2info

• 🔍
• 🔍
• 🔍

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