{"id":"CVE-2022-31158","aliases":["EUVD-2022-6249","GHSA-5p73-qg2v-383h"],"status":"published","title":"Authentication Bypass by Capture-replay in packbackbooks/lti-1-3-php-library","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 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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00856,"percentile":0.58828,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-294","CWE-327"],"published":"2022-07-15T17:15:12Z","modified":"2026-10-28T02:30:46Z","fixes":[{"ecosystem":"Packagist","package":"packbackbooks/lti-1-3-php-library","fixed_in":["5.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"packbackbooks/lti-1-3-php-library","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0"}]}]},{"source":"osv","ecosystem":"Packagist","package":"packbackbooks/lti-1-3-php-library","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0"}]}]}],"products":[{"vendor":"packback","product":"lti_1.3_tool_library"},{"vendor":"packbackbooks","product":"lti-1-3-php-library"}],"references":[{"url":"https://github.com/packbackbooks/lti-1-3-php-library/security/advisories/GHSA-5p73-qg2v-383h","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://openid.net/specs/openid-connect-core-1_0.html#AuthRequest","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-31158","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-5p73-qg2v-383h"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/31xxx/CVE-2022-31158.json","tags":["advisory"]},{"url":"https://github.com/packbackbooks/lti-1-3-php-library","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2022-31158","title":"Authentication Bypass by Capture-replay in packbackbooks/lti-1-3-php-library","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 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.","status":"published","published":"2022-07-15T17:15:12Z","modified":"2025-04-23T17:58:17.098Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-294"],"updated_at":"2026-11-02T14:34:35.279735Z"}],"euvd":[{"id":"EUVD-2022-6249","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 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.","status":"published","published":"2022-07-15T17:15:12Z","modified":"2025-04-23T17:58:17Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T20:52:09.919052Z"}],"ghsa":[{"id":"GHSA-5p73-qg2v-383h","title":"LTI 1.3 Tool Library's Nonce Claim Value not validated against nonce value sent in Authentication Request before v5.0","description":"### Impact\n\nNonce Claim Value was not being validated against the nonce value sent in the Authentication Request.\n\n### Patches\n\nUsers should upgrade to version 5.0 immediately\n\n### Workarounds\n\nNone.\n\n","status":"published","published":"2022-07-15T20:55:50Z","modified":"2023-01-27T05:06:26Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-294","CWE-327"],"updated_at":"2026-11-02T14:36:21.8171Z"}],"nvd":[{"id":"CVE-2022-31158","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 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.","status":"published","published":"2022-07-15T18:15:08.973Z","modified":"2026-06-17T04:44:55.597Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-294"],"updated_at":"2026-11-02T14:07:23.686531Z"}],"osv":[{"id":"CVE-2022-31158","title":"Authentication Bypass by Capture-replay in packbackbooks/lti-1-3-php-library","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 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.","status":"published","published":"2022-07-15T17:15:12Z","modified":"2026-10-28T02:30:46.797587637Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-294"],"updated_at":"2026-11-02T15:44:25.516981Z"},{"id":"GHSA-5p73-qg2v-383h","title":"LTI 1.3 Tool Library's Nonce Claim Value not validated against nonce value sent in Authentication Request before v5.0","description":"### Impact\n\nNonce Claim Value was not being validated against the nonce value sent in the Authentication Request.\n\n### Patches\n\nUsers should upgrade to version 5.0 immediately\n\n### Workarounds\n\nNone.\n\n","status":"published","published":"2022-07-15T20:55:50Z","modified":"2023-11-08T04:09:28.099168Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-294","CWE-327"],"updated_at":"2026-11-02T15:46:38.553953Z"}]}}