CVE-2020-15131
False-positive validity for NFT1 genesis transactions
Description
### Impact In 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. ### Patches npm package "slp-validate" has been patched and is published and tagged as version 1.2.2. ### Workarounds Upgrade to slp-validate 1.2.2. ### References * Package location: https://www.npmjs.com/package/slp-validate * SLP NFT1 spec: https://slp.dev/specs/slp-nft-1/#nft1-protocol-requirements * Git commit hash fixing this issue: https://github.com/simpleledger/slp-validate.js/commit/3963cf914afae69084059b82483da916d97af65c * Unit tests have been added to assist validator implementations in avoiding this bug: https://github.com/simpleledger/slp-unit-test-data/commit/8c942eacfae12686dcf1f3366321445a4fba73e7 ### For more information If 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.
How to fix CVE-2020-15131
To remediate CVE-2020-15131, upgrade the affected package to a fixed version below.
- —upgrade to 1.2.2 or later
Is CVE-2020-15131 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.2.2