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CVE-2020-5301— Information disclosure of source code in SimpleSAMLphp

Quick assessment

Affected
simplesamlphp simplesamlphp
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.

SimpleSAMLphp是一款实现了SAML 2.0服务提供者和标识提供者功能的PHP身份验证应用程序。 SimpleSAMLphp 1.18.6之前版本中存在信息泄露漏洞。该漏洞源于网络系统或产品在运行过程中存在配置等错误。未授权的攻击者可利用漏洞获取受影响组件敏感信息。

CVSS 3.0 · Low EPSS 0.92% · P59

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2020-5301

Vulnerability Information
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Vulnerability Title
Information disclosure of source code in SimpleSAMLphp
Source: CVE Program / CVE List V5
Vulnerability Description
SimpleSAMLphp versions before 1.18.6 contain an information disclosure vulnerability. The module controller in `SimpleSAML\Module` that processes requests for pages hosted by modules, has code to identify paths ending with `.php` and process those as PHP code. If no other suitable way of handling the given path exists it presents the file to the browser. The check to identify paths ending with `.php` does not account for uppercase letters. If someone requests a path ending with e.g. `.PHP` and the server is serving the code from a case-insensitive file system, such as on Windows, the processing of the PHP code does not occur, and the source code is instead presented to the browser. An attacker may use this issue to gain access to the source code in third-party modules that is meant to be private, or even sensitive. However, the attack surface is considered small, as the attack will only work when SimpleSAMLphp serves such content from a file system that is not case-sensitive, such as on Windows. This issue is fixed in version 1.18.6.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
SimpleSAMLphp 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SimpleSAMLphp是一款实现了SAML 2.0服务提供者和标识提供者功能的PHP身份验证应用程序。 SimpleSAMLphp 1.18.6之前版本中存在信息泄露漏洞。该漏洞源于网络系统或产品在运行过程中存在配置等错误。未授权的攻击者可利用漏洞获取受影响组件敏感信息。
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
simplesamlphp simplesamlphp < 1.18.6 -

II. Public POCs for CVE-2020-5301

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III. Intelligence Information for CVE-2020-5301

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Patches & Fixes for CVE-2020-5301 (1)

Vendor Advisories for CVE-2020-5301 (1)

IV. Related Vulnerabilities

Same product: simplesamlphp
Same vendor: simplesamlphp
Same weakness: CWE-200

V. Comments for CVE-2020-5301

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