Vulnerability identifier: #VU16490
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 WebExtension content scripts can be loaded into about:
pages in some circumstances. A remote attacker can use a specially crafted extension to interfere with the loading and usage of these pages and use capabilities that were intended to be restricted from extensions.
Mitigation
Update to version 64.0.
Vulnerable software versions
Mozilla Firefox: 60.0 - 63.0
External links
http://www.mozilla.org/en-US/security/advisories/mfsa2018-29/
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.