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CVE-2020-5407— Signature Wrapping Vulnerability with spring-security-saml2-service-provider

Quick assessment

Affected
Spring by VMware Spring Security
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.

VMware Spring Security是美国威睿（VMware）公司的一套为基于Spring的应用程序提供说明性安全保护的安全框架。 VMware Spring Security 5.2.4之前的5.2.x版本和5.3.2之前的5.3.x版本中存在数据伪造问题漏洞。远程攻击者可利用该漏洞绕过安全限制。

AI Predicted 9.1 Difficulty: Easy EPSS 1.20% · P67

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-5407

Vulnerability Information
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Vulnerability Title
Signature Wrapping Vulnerability with spring-security-saml2-service-provider
Source: CVE Program / CVE List V5
Vulnerability Description
Spring Security versions 5.2.x prior to 5.2.4 and 5.3.x prior to 5.3.2 contain a signature wrapping vulnerability during SAML response validation. When using the spring-security-saml2-service-provider component, a malicious user can carefully modify an otherwise valid SAML response and append an arbitrary assertion that Spring Security will accept as valid.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
密码学签名的验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
VMware Spring Security 数据伪造问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
VMware Spring Security是美国威睿（VMware）公司的一套为基于Spring的应用程序提供说明性安全保护的安全框架。 VMware Spring Security 5.2.4之前的5.2.x版本和5.3.2之前的5.3.x版本中存在数据伪造问题漏洞。远程攻击者可利用该漏洞绕过安全限制。
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
Spring by VMware Spring Security 5.2 ~ 5.2.4 -

II. Public POCs for CVE-2020-5407

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III. Intelligence Information for CVE-2020-5407

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Vendor Advisories for CVE-2020-5407 (3)

Mailing List Discussions for CVE-2020-5407 (2)

IV. Related Vulnerabilities

Same product: Spring Security
Same vendor: Spring by VMware
Same weakness: CWE-347

V. Comments for CVE-2020-5407

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