CVE-2022-31246 Information

Description

paymentrequest.py in Electrum before 4.2.2 allows a file:// URL in the r parameter of a payment request (e.g. within QR code data). On Windows this can lead to capture of credentials over SMB. On Linux and UNIX it can lead to a denial of service by specifying the /dev/zero filename.

Reference

https://github.com/spesmilo/electrum/security/advisories/GHSA-4fh4-hx35-r355 https://twitter.com/ElectrumWallet/status/1534540879905665028