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CVE-2022-24771— Improper Verification of Cryptographic Signature in node-forge

Quick assessment

Affected
digitalbazaar forge
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.

Digital Bazaar Forge是美国Digital Bazaar公司的一个 Tls 在 Javascript 中的本机实现以及用于编写基于加密和网络密集型 Web 应用程序的开源工具。 Digital Bazaar Forge 1.3.0 版本之前 RSA PKCS 存在数据伪造问题漏洞，该漏洞源于 RSA PKCS 签名验证码对摘要算法结构的检查较为宽松。攻击者可以通过精心设计的结构窃取填充字节并在使用低公共指数时使用 PKCS#1 编码消息的未检查部分来伪造签名。

CVSS 7.5 · High EPSS 0.78% · P55
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I. Basic Information for CVE-2022-24771

Vulnerability Information
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Vulnerability Title
Improper Verification of Cryptographic Signature in node-forge
Source: CVE Program / CVE List V5
Vulnerability Description
Forge (also called `node-forge`) is a native implementation of Transport Layer Security in JavaScript. Prior to version 1.3.0, RSA PKCS#1 v1.5 signature verification code is lenient in checking the digest algorithm structure. This can allow a crafted structure that steals padding bytes and uses unchecked portion of the PKCS#1 encoded message to forge a signature when a low public exponent is being used. The issue has been addressed in `node-forge` version 1.3.0. There are currently no known workarounds.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
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
Digital Bazaar Forge 数据伪造问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Digital Bazaar Forge是美国Digital Bazaar公司的一个 Tls 在 Javascript 中的本机实现以及用于编写基于加密和网络密集型 Web 应用程序的开源工具。 Digital Bazaar Forge 1.3.0 版本之前 RSA PKCS 存在数据伪造问题漏洞，该漏洞源于 RSA PKCS 签名验证码对摘要算法结构的检查较为宽松。攻击者可以通过精心设计的结构窃取填充字节并在使用低公共指数时使用 PKCS#1 编码消息的未检查部分来伪造签名。
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
digitalbazaar forge < 1.3.0 -

II. Public POCs for CVE-2022-24771

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III. Intelligence Information for CVE-2022-24771

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Patches & Fixes for CVE-2022-24771 (1)

Vendor Advisories for CVE-2022-24771 (1)

Same Patch Batch · digitalbazaar · 2022-03-18 · 3 CVEs total

CVE-2022-24772 7.5 HIGH Improper Verification of Cryptographic Signature in `node-forge`
CVE-2022-24773 5.3 MEDIUM Improper Verification of Cryptographic Signature in `node-forge`

IV. Related Vulnerabilities

Same product: forge
Same vendor: digitalbazaar
Same weakness: CWE-347

V. Comments for CVE-2022-24771

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