Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2023-40593— Denial of Service (DoS) in Splunk Enterprise Using a Malformed SAML Request

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 存在安全漏洞，该漏洞源于通过向 /saml/acs 发送格式错误的安全断言标记语言 (SAML) 请求，可以使 Splunk 守护程序崩溃或挂起而导致拒绝服务。

CVSS 6.3 · Medium EPSS 0.58% · P46
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2023-40593

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Denial of Service (DoS) in Splunk Enterprise Using a Malformed SAML Request
Source: CVE Program / CVE List V5
Vulnerability Description
In Splunk Enterprise versions lower than 9.0.6 and 8.2.12, a malicious actor can send a malformed security assertion markup language (SAML) request to the `/saml/acs` REST endpoint which can cause a denial of service through a crash or hang of the Splunk daemon.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
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 存在安全漏洞，该漏洞源于通过向 /saml/acs 发送格式错误的安全断言标记语言 (SAML) 请求，可以使 Splunk 守护程序崩溃或挂起而导致拒绝服务。
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 8.2 ~ 8.2.12 -
Splunk Splunk Cloud - ~ 9.0.2205 -

II. Public POCs for CVE-2023-40593

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2023-40593

请登录查看更多情报信息。

Other References for CVE-2023-40593 (2)

Same Patch Batch · Splunk · 2023-08-30 · 8 CVEs total

CVE-2023-40595 8.8 HIGH Remote Code Execution via Serialized Session Payload
CVE-2023-4571 8.6 HIGH Unauthenticated Log Injection in Splunk IT Service Intelligence (ITSI)
CVE-2023-40598 8.5 HIGH Command Injection in Splunk Enterprise Using External Lookups
CVE-2023-40592 8.4 HIGH Reflected Cross-site Scripting (XSS) on "/app/search/table" web endpoint
CVE-2023-40597 7.8 HIGH Absolute Path Traversal in Splunk Enterprise Using runshellscript.py
CVE-2023-40596 7.0 HIGH Splunk Enterprise on Windows Privilege Escalation due to Insecure OPENSSLDIR Build Definit
CVE-2023-40594 6.5 MEDIUM Denial of Service (DoS) via the ‘printf’ Search Function

IV. Related Vulnerabilities

Same product: Splunk Enterprise
Same vendor: Splunk
Same weakness: CWE-400

V. Comments for CVE-2023-40593

No comments yet

Leave a comment