This security advisory describes one low risk vulnerability.
CWE-200 - Information Exposure
Exploit availability: NoDescription
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due in native-to-JS bridging implementation that requires a unique token to be passed that ensures non-app code can't call the bridging functions. A remote attacker can create a specially crafted web page, trick the victim into downloading files and obtain token. This token can be used for further attacks against the application.
Install updates from vendor's website.Vulnerable software versions
Firefox for iOS: 8.0, 9.0, 10.0, 11.0, 12.0, 13.0, 14.0, 15.0, 16.0, 17.0, 18.0, 19.0, 20.0, 21.0, 22.0, 23.0, 24.0, 25.0CPE
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to open a a specially crafted app.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.