CVE-2022-31246 Server-side request forgery in n/a
Attackers can exploit file:// URLs in payment requests to steal credentials via SMB on Windows or cause denial of service on Linux.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2022-31246?
CVE-2022-31246 is a medium-severity server-side request forgery vulnerability in n/a, published on 17 Jun 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-88
Which versions are affected by CVE-2022-31246?
It affects 1 product.
Products include Electrum Electrum.
How do I fix CVE-2022-31246?
Upgrade to a fixed version.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2022-31246 being exploited?
There is no known exploitation of CVE-2022-31246 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2022-31246, GHSA-4fh4-hx35-r355, GHSA-h899-2p3m-3gm2.