CVE-2023-32708— HTTP Response Splitting via the ‘rest’ SPL Command
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和Splunk Cloud Platform存在安全漏洞，该漏洞源于允许低权限用户通过SPL命令拆分HTTP响应。受影响的产品和版本：Splunk Enterprise 9.0.5之前版本，8.2.11版本， 8.1.14版本；Splunk Cloud Platform 9.0.2303.100之前版本。
Possible ATT&CK Techniques 1 AI
T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2023-32708
Vulnerability Information
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Vulnerability Title
HTTP Response Splitting via the ‘rest’ SPL Command
Source: CVE Program / CVE List V5
Vulnerability Description
In Splunk Enterprise versions below 9.0.5, 8.2.11, and 8.1.14, and Splunk Cloud Platform versions below 9.0.2303.100, a low-privileged user can trigger an HTTP response splitting vulnerability with the ‘rest’ SPL command that lets them potentially access other REST endpoints in the system arbitrarily.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
HTTP头部中CRLF序列转义处理不恰当(HTTP响应分割)
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和Splunk Cloud Platform存在安全漏洞，该漏洞源于允许低权限用户通过SPL命令拆分HTTP响应。受影响的产品和版本：Splunk Enterprise 9.0.5之前版本，8.2.11版本， 8.1.14版本；Splunk Cloud Platform 9.0.2303.100之前版本。
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 ~ 8.1.14 | - |
|
| Splunk | Splunk Cloud Platform | - ~ 9.0.2303.100 | - |
|
II. Public POCs for CVE-2023-32708
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2023-32708 (1)
Other References for CVE-2023-32708 (1)
Same Patch Batch · Splunk · 2023-06-01 · 12 CVEs total
| CVE-2023-32707 | 8.8 HIGH | ‘edit_user’ Capability Privilege Escalation |
| CVE-2023-32712 | 8.6 HIGH | Unauthenticated Log Injection in Splunk Enterprise |
| CVE-2023-32714 | 8.1 HIGH | Path Traversal in Splunk App for Lookup File Editing |
| CVE-2023-32713 | 7.8 HIGH | Local Privilege Escalation via the ‘streamfwd’ program in Splunk App for Stream |
| CVE-2023-32706 | 7.7 HIGH | Denial Of Service due to Untrusted XML Tag in XML Parser within SAML Authentication |
| CVE-2023-32716 | 6.5 MEDIUM | Denial of Service via the 'dump' SPL command |
| CVE-2023-32711 | 5.4 MEDIUM | Persistent Cross-Site Scripting (XSS) through a URL Validation Bypass within a Dashboard V |
| CVE-2023-32710 | 4.8 MEDIUM | Information Disclosure via the ‘copyresults’ SPL Command |
| CVE-2023-32715 | 4.7 MEDIUM | Self Cross-Site Scripting (XSS) on Splunk App for Lookup File Editing |
| CVE-2023-32709 | 4.3 MEDIUM | Low-privileged User can View Hashed Default Splunk Password |
| CVE-2023-32717 | 4.3 MEDIUM | Role-based Access Control (RBAC) Bypass on '/services/indexing/preview' REST Endpoint Can |
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V. Comments for CVE-2023-32708
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