CVE-2024-32962— xml-crypto 安全漏洞
一分钟漏洞结论
影响对象
node-saml xml-crypto
利用判断
存在公开或 AI PoC，应优先验证
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
NPM xml-crypto是NPM公司的一个数字签名和加密库。 xml-crypto 4.0.0 到 6.0.0版本存在安全漏洞，该漏洞源于默认配置不检查签名者的授权，允许攻击者绕过 XML 签名验证。
可能的 ATT&CK 技术 1 AI
T1190 · Exploit Public-Facing Application
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一、 漏洞 CVE-2024-32962 基础信息
漏洞信息
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Vulnerability Title
XML signature verification bypass due improper verification of signature / signature spoofing
来源: CVE Program / CVE List V5
Vulnerability Description
xml-crypto is an xml digital signature and encryption library for Node.js. In affected versions the default configuration does not check authorization of the signer, it only checks the validity of the signature per section 3.2.2 of the w3 xmldsig-core-20080610 spec. As such, without additional validation steps, the default configuration allows a malicious actor to re-sign an XML document, place the certificate in a `<KeyInfo />` element, and pass `xml-crypto` default validation checks. As a result `xml-crypto` trusts by default any certificate provided via digitally signed XML document's `<KeyInfo />`. `xml-crypto` prefers to use any certificate provided via digitally signed XML document's `<KeyInfo />` even if library was configured to use specific certificate (`publicCert`) for signature verification purposes. An attacker can spoof signature verification by modifying XML document and replacing existing signature with signature generated with malicious private key (created by attacker) and by attaching that private key's certificate to `<KeyInfo />` element. This vulnerability is combination of changes introduced to `4.0.0` on pull request 301 / commit `c2b83f98` and has been addressed in version 6.0.0 with pull request 445 / commit `21201723d`. Users are advised to upgrade. Users unable to upgrade may either check the certificate extracted via `getCertFromKeyInfo` against trusted certificates before accepting the results of the validation or set `xml-crypto's getCertFromKeyInfo` to `() => undefined` forcing `xml-crypto` to use an explicitly configured `publicCert` or `privateKey` for signature verification.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
来源: CVE Program / CVE List V5
Vulnerability Type
密码学签名的验证不恰当
来源: CVE Program / CVE List V5
Vulnerability Title
xml-crypto 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
NPM xml-crypto是NPM公司的一个数字签名和加密库。 xml-crypto 4.0.0 到 6.0.0版本存在安全漏洞，该漏洞源于默认配置不检查签名者的授权，允许攻击者绕过 XML 签名验证。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| node-saml | xml-crypto | >= 4.0.0, < 6.0.0 | - |
|
二、漏洞 CVE-2024-32962 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|---|---|---|
| 1 | None | https://github.com/absholi7ly/Poc-CVE-2024-32962-xml-crypto | POC详情 |
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三、漏洞 CVE-2024-32962 的情报信息
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CVE-2024-32962 补丁与修复 (3)
-
https://github.com/node-saml/xml-crypto/pull/301 x_refsource_MISC
CVE-2024-32962 厂商安全公告 (2)
CVE-2024-32962 厂商页面 (1)
-
XML Signature Syntax and Processing (Second Edition) x_refsource_MISC
IV. Related Vulnerabilities
V. Comments for CVE-2024-32962
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