High severityNVD Advisory· Published Jul 15, 2022· Updated Apr 23, 2025
Use of a Broken or Risky Cryptographic Algorithm in packbackbooks/lti-1-3-php-library
CVE-2022-31157
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
packbackbooks/lti-1-3-php-libraryPackagist | < 5.0 | 5.0 |
Affected products
2- Range: < 5.0
Patches
Vulnerability mechanics
References
5- github.com/advisories/GHSA-768m-5w34-2xf5ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2022-31157ghsaADVISORY
- github.com/packbackbooks/lti-1-3-php-library/commit/de19e8a0b28cdc7750fa3ca98471eeed26ba3e57ghsaWEB
- github.com/packbackbooks/lti-1-3-php-library/security/advisories/GHSA-768m-5w34-2xf5ghsax_refsource_CONFIRMWEB
- openid.net/specs/openid-connect-core-1_0.htmlghsaWEB
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