Vulnerability identifier: #VU18045
Vulnerability risk: Low
CVSSv3.1: 3 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-399
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 perform a phishing attack.
The vulnerability exists due to the way text messages produced by the FTP server are handled by the browser when a page reload is initiated. A remote attacker can create a modal alert message with arbitrary text as content and perform phishing attack.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Mozilla Firefox: 61.0 - 65.0.2
External links
http://www.mozilla.org/en-US/security/advisories/mfsa2019-07/
http://bugzilla.mozilla.org/show_bug.cgi?id=1362050
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.