CVE-2022-31157
7.5 · HIGHOverview
CVE-2022-31157 is a high-severity vulnerability affecting packback lti_1.3_tool_library. It was published on July 15, 2022 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from packback. Update lti_1.3_tool_library to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| packback | lti_1.3_tool_library | >= 0, < 5.0.0 | Affected |
Frequently Asked Questions
What is CVE-2022-31157?
CVE-2022-31157 is a high-severity vulnerability affecting packback lti_1.3_tool_library. It was published on July 15, 2022 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2022-31157?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2022-31157?
Check the references section for vendor advisories and patches from packback. Update lti_1.3_tool_library to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2022-31157?
CyberStrike's AI-powered security agents can automatically detect CVE-2022-31157 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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