Vulnerability identifier: #VU10982
Vulnerability risk: Low
CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID:
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.
The vulnerability exists due to an error when a malicious site with an extremely long domain name is opened in an Android Custom Tab (a browser panel inside another app) and the default browser is Firefox for Android. A remote attacker can spoof which page is actually loaded and in use.
Note: this issue only affects Firefox for Android.
Mitigation
Update to version 59.0.
Vulnerable software versions
Mozilla Firefox: 58.0
External links
http://www.mozilla.org/en-US/security/advisories/mfsa2018-06/
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.