要点
- CVE-2022-31157 是影响 packbackbooks/lti-1-3-php-library, lti 1.3 tool library (packback) 的高危 (CVSS 7.5)漏洞。
- 未来 30 天内被利用的概率（EPSS）：0.45%，高于 39.5% 的漏洞。
- 修复：升级到 5.0, 5.0.0 或更高版本。
Description
Impact
The function used to generate random nonces was not sufficiently cryptographically complex. As a result values may be predictable and tokens may be forgable.
Patches
Users should upgrade to version 5.0 immediately
Workarounds
None.
NVD 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.
packbackbooks/lti-1-3-php-library 的其他漏洞
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