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CVE-2022-31157

7.5 · HIGH

LTI 1.3 Tool Library is a library used for building IMS-certified LTI 1.3 tool providers in PHP.

Published Jul 15, 2022CWE-327EPSS 0.45%

Overview

CVE-2022-31157 is a high-severity vulnerability. 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, patches, and mitigation guidance. 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.

References

GitHubgithub.com/packbackbooks/lti-1-3-php-library/security/advisories/GHSA-768m-5w34-2xf5GitHubgithub.com/packbackbooks/lti-1-3-php-library/security/advisories/GHSA-768m-5w34-2xf5

How CyberStrike helps

Frequently asked questions

What is CVE-2022-31157?

CVE-2022-31157 is a high-severity vulnerability. 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, patches, and mitigation guidance. 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 is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-31157 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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