Critical severity vulnerability that affects slpjs

Validator parsing discrepancy due to string encoding

Impact

A specially crafted Bitcoin script can cause a discrepancy between the specified SLP consensus rules and the validation result of the slpjs npm package. An attacker could create a specially crafted Bitcoin script in order to cause a hard-fork from the SLP consensus.

Patches

All versions > 0.21.3 are patched.

Workarounds

Upgrade to any version >= 0.21.4.

References

The bug was located and fixed here.

For more information

If you have any questions or comments about this advisory:

• Open an issue in the slpjs repo
• Email us at [email protected]