CVE-2025-65548
NUT-14 allows cashu tokens to be created with a preimage hash. However, nutshell (cashubtc/nuts) before 0.18.0 do not validate the size of preimage when the token is spent. The preimage is stored by the mint and attacker can exploit this vulnerability to fill the mint's db nd disk with arbitrary data.
Vendor
Product
CWE
Yayın Tarihi
2025-12-08 19:15:50
Güncelleme
2025-12-15 15:56:44
Source Identifier
cve@mitre.org
KEV Date Added
-
Kategoriler
Referanslar
https://bitcointalk.org/index.php?topic=5564329
https://delvingbitcoin.org/t/public-disclosure-denial-of-service-using-htlc-in-cashu/2090
https://github.com/cashubtc/nuts/blob/main/07.md
https://github.com/cashubtc/nuts/blob/main/14.md
https://github.com/jamesob/delving-bitcoin-archive/blob/master/archive/rendered-topics/2025-11-November/2025-11-02-public-disclosure-denial-of-service-using-htlc-in-cashu-id2090.md
https://preimage007.github.io/
https://bitcointalk.org/index.php?topic=5564329
https://github.com/jamesob/delving-bitcoin-archive/blob/master/archive/rendered-topics/2025-11-November/2025-11-02-public-disclosure-denial-of-service-using-htlc-in-cashu-id2090.md