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CVE-2023-3997— Unauthenticated Log Injection In Splunk SOAR

Quick assessment

Affected
Splunk Splunk SOAR (On-premises)
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 SOAR 6.0.2及之前版本存在注入漏洞，该漏洞源于第三方可以向Splunk SOAR发送恶意制作的包含特殊ANSI字符的Web请求，从而导致日志文件中毒，这可能会篡改终端并导致执行恶意代码。

CVSS 8.6 · High EPSS 0.29% · P20
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I. Basic Information for CVE-2023-3997

Vulnerability Information
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Vulnerability Title
Unauthenticated Log Injection In Splunk SOAR
Source: CVE Program / CVE List V5
Vulnerability Description
Splunk SOAR versions lower than 6.1.0 are indirectly affected by a potential vulnerability accessed through the user’s terminal. A third party can send Splunk SOAR a maliciously crafted web request containing special ANSI characters to cause log file poisoning. When a terminal user attempts to view the poisoned logs, this can tamper with the terminal and cause possible malicious code execution from the terminal user’s action.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
日志输出的转义处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Splunk 注入漏洞
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 SOAR 6.0.2及之前版本存在注入漏洞，该漏洞源于第三方可以向Splunk SOAR发送恶意制作的包含特殊ANSI字符的Web请求，从而导致日志文件中毒，这可能会篡改终端并导致执行恶意代码。
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 SOAR (On-premises) - ~ 6.1.0 -
Splunk Splunk SOAR (Cloud) - ~ 6.1.0 -

II. Public POCs for CVE-2023-3997

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III. Intelligence Information for CVE-2023-3997

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Other References for CVE-2023-3997 (1)

IV. Related Vulnerabilities

Same vendor: Splunk
Same weakness: CWE-117

V. Comments for CVE-2023-3997

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