CVE-2022-31158
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 Nonce Claim Value was not being validated against the nonce value sent in the Authentication Request. Users should upgrade to version 5.0 to receive a patch. There are currently no known workarounds.
Published:Jul 15, 2022
Last Modified:Apr 23, 2025
EPS:Jul 15, 2022
EPSS Score:0.00285
CVSS Score:7.5
Affected Products
Vendor
Product
Action
Vendor
Packback
Product
Lti 1.3 Tool Library
Packback
Lti 1.3 Tool Library
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
