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CVE-2022-31157— Use of a Broken or Risky Cryptographic Algorithm in packbackbooks/lti-1-3-php-library

Quick assessment

Affected
packbackbooks lti-1-3-php-library
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.

LTI 1.3 Tool Library是用于在 PHP 中构建 IMS 认证的 LTI 1.3 工具提供程序的库。 LTI 1.3 Tool Library 5.0之前版本存在安全特征问题漏洞，该漏洞源于LTI 1.3 Tool Library是一个用于在PHP中构建IMS认证的LTI 1.3工具提供商的库。在5.0版本之前，用于生成随机nonces的函数在密码学上不够复杂。用户应该升级到5.0版本以获得一个补丁。

CVSS 7.5 · High EPSS 0.44% · P38

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-31157

Vulnerability Information
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Vulnerability Title
Use of a Broken or Risky Cryptographic Algorithm in packbackbooks/lti-1-3-php-library
Source: CVE Program / CVE List V5
Vulnerability Description
LTI 1.3 Tool Library is a library used for building IMS-certified LTI 1.3 tool providers in PHP. Prior to version 5.0, the function used to generate random nonces was not sufficiently cryptographically complex. Users should upgrade to version 5.0 to receive a patch. 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
使用已被攻破或存在风险的密码学算法
Source: CVE Program / CVE List V5
Vulnerability Title
LTI 1.3 Tool Library 安全特征问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
LTI 1.3 Tool Library是用于在 PHP 中构建 IMS 认证的 LTI 1.3 工具提供程序的库。 LTI 1.3 Tool Library 5.0之前版本存在安全特征问题漏洞，该漏洞源于LTI 1.3 Tool Library是一个用于在PHP中构建IMS认证的LTI 1.3工具提供商的库。在5.0版本之前，用于生成随机nonces的函数在密码学上不够复杂。用户应该升级到5.0版本以获得一个补丁。
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
packbackbooks lti-1-3-php-library < 5.0 -

II. Public POCs for CVE-2022-31157

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III. Intelligence Information for CVE-2022-31157

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Vendor Advisories for CVE-2022-31157 (1)

IV. Related Vulnerabilities

Same product: lti-1-3-php-library
Same vendor: packbackbooks
Same weakness: CWE-327

V. Comments for CVE-2022-31157

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