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CVE-2023-23903— DoS via SAML configuration in Guardian/CMC before 22.6.2

Quick assessment

Affected
Nozomi Networks Guardian
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.

Nozomi Networks Guardian是美国Nozomi Networks公司的一款物联网设备和软件检查系统。 Nozomi Networks Guardian 存在安全漏洞，该漏洞源于经过身份验证的管理员可以上传一个格式错误的 SAML 配置文件，而应用程序没有正确检查文件的格式。攻击者利用该漏洞可以造成拒绝服务。

CVSS 4.9 · Medium EPSS 0.60% · P47
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I. Basic Information for CVE-2023-23903

Vulnerability Information
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Vulnerability Title
DoS via SAML configuration in Guardian/CMC before 22.6.2
Source: CVE Program / CVE List V5
Vulnerability Description
An authenticated administrator can upload a SAML configuration file with the wrong format, with the application not checking the correct file format. Every subsequent application request will return an error. The whole application in rendered unusable until a console intervention.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1286
Source: CVE Program / CVE List V5
Vulnerability Title
Nozomi Networks Guardian 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nozomi Networks Guardian是美国Nozomi Networks公司的一款物联网设备和软件检查系统。 Nozomi Networks Guardian 存在安全漏洞，该漏洞源于经过身份验证的管理员可以上传一个格式错误的 SAML 配置文件，而应用程序没有正确检查文件的格式。攻击者利用该漏洞可以造成拒绝服务。
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
Nozomi Networks Guardian 0 ~ 22.6.2 -
Nozomi Networks CMC 0 ~ 22.6.2 -

II. Public POCs for CVE-2023-23903

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III. Intelligence Information for CVE-2023-23903

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Other References for CVE-2023-23903 (1)

Same Patch Batch · Nozomi Networks · 2023-08-09 · 7 CVEs total

CVE-2023-23574 8.8 HIGH Authenticated Blind SQL Injection on alerts count in Guardian/CMC before 22.6.2
CVE-2023-22378 8.8 HIGH Authenticated Blind SQL Injection on sorting in Guardian/CMC before 22.6.2
CVE-2023-24477 7.0 HIGH Session Fixation in Guardian/CMC before 22.6.2
CVE-2023-24471 6.5 MEDIUM Information disclosure via the debug function in assertions in Guardian/CMC before 22.6.2
CVE-2023-22843 6.4 MEDIUM Stored Cross-Site Scripting (XSS) in Threat Intelligence rules in Guardian/CMC before 22.6
CVE-2023-24015 4.3 MEDIUM Partial DoS on Reports section due to null report name in Guardian/CMC before 22.6.2

IV. Related Vulnerabilities

Same product: Guardian
Same vendor: Nozomi Networks
Same weakness: CWE-1286

V. Comments for CVE-2023-23903

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