{"id":"GHSA-6jmr-jfh7-xg3h","summary":"False-positive validity for NFT1 genesis transactions","details":"### Impact\nIn the npm package named \"slp-validate\", versions prior to 1.2.2 are vulnerable to false-positive validation outcomes for the NFT1 Child Genesis transaction type. A poorly implemented SLP wallet or opportunistic attacker could create a seemingly valid NFT1 child token without burning any of the NFT1 Group token type as is required by the NFT1 specification.\n\n### Patches\nnpm package \"slp-validate\" has been patched and is published and tagged as version 1.2.2.\n\n### Workarounds\nUpgrade to slp-validate 1.2.2.\n\n### References\n* Package location: https://www.npmjs.com/package/slp-validate\n* SLP NFT1 spec: https://slp.dev/specs/slp-nft-1/#nft1-protocol-requirements\n* Git commit hash fixing this issue: https://github.com/simpleledger/slp-validate.js/commit/3963cf914afae69084059b82483da916d97af65c\n* Unit tests have been added to assist validator implementations in avoiding this bug: https://github.com/simpleledger/slp-unit-test-data/commit/8c942eacfae12686dcf1f3366321445a4fba73e7\n\n### For more information\nIf you have any questions or comments about this advisory please open an issue in the [slp-validate](https://github.com/simpleledger/slp-validate.js/issues) repository.","aliases":["CVE-2020-15131"],"modified":"2026-05-07T05:01:49.618140278Z","published":"2020-07-30T14:58:53Z","database_specific":{"github_reviewed_at":"2020-07-30T14:54:40Z","nvd_published_at":null,"cwe_ids":["CWE-697"],"severity":"CRITICAL","github_reviewed":true},"references":[{"type":"WEB","url":"https://github.com/simpleledger/slp-validate.js/security/advisories/GHSA-6jmr-jfh7-xg3h"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15131"},{"type":"WEB","url":"https://github.com/simpleledger/slp-validate.js/commit/3963cf914afae69084059b82483da916d97af65c"}],"affected":[{"package":{"name":"slp-validate","ecosystem":"npm","purl":"pkg:npm/slp-validate"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.2.2"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2020/07/GHSA-6jmr-jfh7-xg3h/GHSA-6jmr-jfh7-xg3h.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"}]}