Vulnerability identifier: #VU14640

Vulnerability risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-12382

CWE-ID: CWE-451

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Mozilla Firefox
Client/Desktop applications / Web browsers

Vendor: Mozilla

Description

The vulnerability allows a remote attacker to conduct spoofing attack on the target system.

The vulnerability exists due to an error when scrolling the loaded domain out of view to the right. A remote unauthenticated attacker can use a javascript: URI in concert with JavaScript to insert text before the loaded domain name and spoof the displayed addressbar URL  on Firefox for Android.

Mitigation
Update to version 62.0.

Vulnerable software versions

Mozilla Firefox: 60.0 - 61.0.2

---

External links
http://www.mozilla.org/en-US/security/advisories/mfsa2018-20/

---

Q & A

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.