CVE-2021-40690— Bypass of the secureValidation property
Quick assessment
Affected
Apache Software Foundation Apache Santuario
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Apache Santuario是美国阿帕奇（Apache）基金会的一套实现XML的主要安全标准，它包含两个库：Apache XML Security for Java和Apache XML Security for C++。 Apache Santuario XML Security for Java存在信息泄露漏洞，该漏洞源于软件中的Keyinfo SecureValidation Xpath Transform缺少有效验证。攻击者可利用该漏洞通过该字段读取文件，以获取敏感信息。
Possible ATT&CK Techniques 1 AI
T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2021-40690
Vulnerability Information
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Vulnerability Title
Bypass of the secureValidation property
Source: CVE Program / CVE List V5
Vulnerability Description
All versions of Apache Santuario - XML Security for Java prior to 2.2.3 and 2.1.7 are vulnerable to an issue where the "secureValidation" property is not passed correctly when creating a KeyInfo from a KeyInfoReference element. This allows an attacker to abuse an XPath Transform to extract any local .xml files in a RetrievalMethod element.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Santuario 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Santuario是美国阿帕奇（Apache）基金会的一套实现XML的主要安全标准，它包含两个库：Apache XML Security for Java和Apache XML Security for C++。 Apache Santuario XML Security for Java存在信息泄露漏洞，该漏洞源于软件中的Keyinfo SecureValidation Xpath Transform缺少有效验证。攻击者可利用该漏洞通过该字段读取文件，以获取敏感信息。
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 |
|---|---|---|---|---|
| Apache Software Foundation | Apache Santuario | XML Security for Java ~ 2.2.3,2.1.7 | - |
|
II. Public POCs for CVE-2021-40690
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-40690 (4)
-
https://www.debian.org/security/2021/dsa-5010 vendor-advisory
Mailing List Discussions for CVE-2021-40690 (10)
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V. Comments for CVE-2021-40690
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