Vulnerability identifier: #VU10984

Vulnerability risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-5141

CWE-ID: CWE-284

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 obtain potentially sensitive information or cause DoS condition on the target system.

The vulnerability exists due to the notifications Push API where notifications can be sent through service workers by web content without direct user interaction. A remote attacker can open new tabs in a denial of service (DOS) attack or access unwanted content from arbitrary URLs to users.

Mitigation
Update to version 59.0.

Vulnerable software versions

Mozilla Firefox: 58.0

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External links
http://www.mozilla.org/en-US/security/advisories/mfsa2018-06/

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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.