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HIGH · 7.5

CVE-2022-31157

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 cryptographicall...

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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE

Affected Products

VendorProductVersions
PackbackLti 1.3 Tool Library< 5.0.0

Related Weaknesses (CWE)

CWE-330CWE-327

References

FAQ

What is CVE-2022-31157?

CVE-2022-31157 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 cryptographicall...

How severe is CVE-2022-31157?

CVE-2022-31157 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-31157?

Check the references section above for vendor advisories and patch information. Affected products include: Packback Lti 1.3 Tool Library.