PT-2022-20572 · Unknown · Lti 1.3 Tool Library

Dbhynds · Published 2022-07-15 · Updated 2023-07-24 · CVE-2022-31157

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Name of the Vulnerable Software and Affected Versions LTI 1.3 Tool Library versions prior to 5.0

Description The issue concerns the function used to generate random nonces, which was not sufficiently cryptographically complex. This could make values predictable and tokens forgable. There are no known workarounds.

Recommendations For versions prior to 5.0, upgrade to version 5.0 to receive a patch.

Exploit

Fix

Use of a Broken Cryptographic Algorithm

Use of Insufficiently Random Values

Weakness Enumeration

CWE-327

CWE-330

Related Identifiers

CVE-2022-31157

GHSA-768M-5W34-2XF5

Affected Products

Lti 1.3 Tool Library

References · 10

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/31xxx/CVE-2022-31157.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-31157 · Security Note
• https://osv.dev/vulnerability/CVE-2022-31157 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-768m-5w34-2xf5 · Vendor Advisory
• https://github.com/packbackbooks/lti-1-3-php-library/security/advisories/GHSA-768m-5w34-2xf5 · Note
• https://github.com/packbackbooks/lti-1-3-php-library · Note
• https://github.com/packbackbooks/lti-1-3-php-library/commit/de19e8a0b28cdc7750fa3ca98471eeed26ba3e57 · Note
• https://t.me/cvenotify/33169 · Telegram Post
• https://t.me/cibsecurity/46369 · Telegram Post
• https://openid.net/specs/openid-connect-core-1_0.html#IDToken · Note