Vulnerability identifier: #VU13491
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-264
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 bypass security restrictions on the target system.
The weakness exists due to WebExtensions bundled with embedded experiments were not correctly checked for proper authorization. A remote attacker can use a malicious WebExtension to bypass security restrictions and gain full browser permissions.
Mitigation
Update to version 61.0.
Vulnerable software versions
Mozilla Firefox: 60.0 - 60.0.2
External links
http://www.mozilla.org/en-US/security/advisories/mfsa2018-15/
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.