PT-2022-20573 · Unknown · Lti 1.3 Tool Library

Dbhynds · Published 2022-07-15 · Updated 2023-07-24 · CVE-2022-31158

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 Nonce Claim Value not being validated against the nonce value sent in the Authentication Request. This affects the LTI 1.3 Tool Library, a library used for building IMS-certified LTI 1.3 tool providers in PHP. There are currently no known workarounds.

Recommendations For versions prior to 5.0, users should upgrade to version 5.0 to receive a patch. As a temporary workaround, consider disabling the functionality that relies on the Nonce Claim Value until a patch is available.

Exploit

Fix

Use of a Broken Cryptographic Algorithm

Weakness Enumeration

CWE-327

CWE-294

Related Identifiers

CVE-2022-31158

GHSA-5P73-QG2V-383H

Affected Products

Lti 1.3 Tool Library

References · 9

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/31xxx/CVE-2022-31158.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-31158 · Security Note
• https://osv.dev/vulnerability/CVE-2022-31158 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-5p73-qg2v-383h · Vendor Advisory
• https://github.com/packbackbooks/lti-1-3-php-library/security/advisories/GHSA-5p73-qg2v-383h · Note
• https://github.com/packbackbooks/lti-1-3-php-library · Note
• https://t.me/cibsecurity/46367 · Telegram Post
• https://t.me/cvenotify/33168 · Telegram Post
• https://openid.net/specs/openid-connect-core-1_0.html#AuthRequest · Note