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CVE-2023-32706— Denial Of Service due to Untrusted XML Tag in XML Parser within SAML Authentication

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，该漏洞源于允许未经身份验证的攻击者向XML解析器发送特制消息，从而导致 Splunk 守护程序拒绝服务。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。

CVSS 7.7 · High EPSS 0.60% · P47

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-32706

Vulnerability Information
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Vulnerability Title
Denial Of Service due to Untrusted XML Tag in XML Parser within SAML Authentication
Source: CVE Program / CVE List V5
Vulnerability Description
On Splunk Enterprise versions below 9.0.5, 8.2.11, and 8.1.14, an unauthenticated attacker can send specially-crafted messages to the XML parser within SAML authentication to cause a denial of service in the Splunk daemon.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
XML外部实体引用的不恰当限制(XXE)
Source: CVE Program / CVE List V5
Vulnerability Title
Splunk 代码问题漏洞
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，该漏洞源于允许未经身份验证的攻击者向XML解析器发送特制消息，从而导致 Splunk 守护程序拒绝服务。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。
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 and below ~ 9.0.2303.100 -

II. Public POCs for CVE-2023-32706

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III. Intelligence Information for CVE-2023-32706

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Other References for CVE-2023-32706 (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-2023-32708 7.2 HIGH HTTP Response Splitting via the ‘rest’ SPL Command
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

IV. Related Vulnerabilities

Same product: Splunk Enterprise
Same vendor: Splunk
Same weakness: CWE-611

V. Comments for CVE-2023-32706

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