Vulnerability identifier: #VU60405
Vulnerability risk: Medium
Exploitation vector: Network
Exploit availability: No
The vulnerability allows a remote attacker to force the victim to make unwanted phone calls.
The vulnerability exists in the way tel: link are handled. When clicking on a tel: link, USSD codes, specified after a certain character is included in the phone number. On certain phones, or on certain carriers, if the number was dialed this could perform actions on a user's account, similar to a cross-site request forgery attack.
Install updates from vendor's website.
Vulnerable software versions
Firefox for Android: 90.1.0 - 96.3.0
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.