CVE-2023-22938— Permissions Validation Failure in the ‘sendemail’ REST API Endpoint in Splunk Enterprise
Quick assessment
Affected
Splunk Splunk Enterprise
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Splunk是美国Splunk公司的一套数据收集分析软件。该软件主要用于收集、索引和分析及其所产生的数据，包括所有IT系统和基础结构（物理、虚拟机和云）生成的数据。 Splunk Enterprise 8.1.13之前版本、8.2.10版本、9.0.4版本存在安全漏洞，该漏洞源于允许任何经过身份验证的用户作为 Splunk 实例发送电子邮件。
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I. Basic Information for CVE-2023-22938
Vulnerability Information
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Vulnerability Title
Permissions Validation Failure in the ‘sendemail’ REST API Endpoint in Splunk Enterprise
Source: CVE Program / CVE List V5
Vulnerability Description
In Splunk Enterprise versions below 8.1.13, 8.2.10, and 9.0.4, the ‘sendemail’ REST API endpoint lets any authenticated user send an email as the Splunk instance. The endpoint is now restricted to the ‘splunk-system-user’ account on the local instance.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Splunk 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Splunk是美国Splunk公司的一套数据收集分析软件。该软件主要用于收集、索引和分析及其所产生的数据，包括所有IT系统和基础结构（物理、虚拟机和云）生成的数据。 Splunk Enterprise 8.1.13之前版本、8.2.10版本、9.0.4版本存在安全漏洞，该漏洞源于允许任何经过身份验证的用户作为 Splunk 实例发送电子邮件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Splunk | Splunk Enterprise | 8.1 ~ 8.1.13 | - |
|
| Splunk | Splunk Cloud Platform | - ~ 9.0.2212 | - |
|
II. Public POCs for CVE-2023-22938
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2023-22938 (1)
Same Patch Batch · Splunk · 2023-02-14 · 13 CVEs total
| CVE-2023-22939 | 8.1 HIGH | SPL Command Safeguards Bypass via the ‘map’ SPL Command in Splunk Enterprise |
| CVE-2023-22935 | 8.1 HIGH | SPL Command Safeguards Bypass via the ‘display.page.search.patterns.sensitivity’ Search Pa |
| CVE-2023-22933 | 8.0 HIGH | Persistent Cross-Site Scripting through the ‘module’ Tag in a View in Splunk Enterprise |
| CVE-2023-22932 | 8.0 HIGH | Persistent Cross-Site Scripting through a Base64-encoded Image in a View in Splunk Enterpr |
| CVE-2023-22934 | 7.3 HIGH | SPL Command Safeguards Bypass via the ‘pivot’ SPL Command in Splunk Enterprise |
| CVE-2023-22941 | 6.5 MEDIUM | Improperly Formatted ‘INGEST_EVAL’ Parameter Crashes Splunk Daemon |
| CVE-2023-22936 | 6.3 MEDIUM | Authenticated Blind Server Side Request Forgery via the ‘search_listener’ Search Parameter |
| CVE-2023-22940 | 6.3 MEDIUM | SPL Command Safeguards Bypass via the ‘collect’ SPL Command Aliases in Splunk Enterprise |
| CVE-2023-22942 | 5.4 MEDIUM | Cross-Site Request Forgery in the ‘ssg/kvstore_client’ REST Endpoint in Splunk Enterprise |
| CVE-2023-22943 | 4.8 MEDIUM | Modular Input REST API Requests Connect via HTTP after Certificate Validation Failure in S |
| CVE-2023-22937 | 4.3 MEDIUM | Unnecessary File Extensions Allowed by Lookup Table Uploads in Splunk Enterprise |
| CVE-2023-22931 | 4.3 MEDIUM | ‘createrss’ External Search Command Overwrites Existing RSS Feeds in Splunk Enterprise |
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V. Comments for CVE-2023-22938
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