#VU10190 Spoofing attack in Mozilla Firefox - CVE-2018-5117

Vulnerability identifier: #VU10190

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-5117

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 spoof browser address bar.

The vulnerability exists due to an error when right-to-left text is used in the addressbar with left-to-right alignment. A remote attacker can trick the victim into visiting a specially crafted website, and spoof the URL.

Mitigation
Update to version 58.0.

Vulnerable software versions

Mozilla Firefox: 57.0 - 57.0.4

---

External links
https://www.mozilla.org/en-US/security/advisories/mfsa2018-02/

---

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.