Vulnerability Details : 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 cryptographically complex. Users should upgrade to version 5.0 to receive a patch. There are currently no known workarounds.
Products affected by CVE-2022-31157
- cpe:2.3:a:packback:lti_1.3_tool_library:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-31157
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 26 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-31157
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
3.9
|
3.6
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
3.9
|
3.6
|
GitHub, Inc. |
CWE ids for CVE-2022-31157
-
The product uses a broken or risky cryptographic algorithm or protocol.Assigned by: security-advisories@github.com (Secondary)
-
The product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers.Assigned by: nvd@nist.gov (Primary)
References for CVE-2022-31157
-
https://github.com/packbackbooks/lti-1-3-php-library/security/advisories/GHSA-768m-5w34-2xf5
Authentication Bypass by Capture-replay in packbackbooks/lti-1-3-php-library · Advisory · packbackbooks/lti-1-3-php-library · GitHubThird Party Advisory
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