Vulnerability identifier: #VU7847
Vulnerability risk: Low
CVSSv3.1: 4.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-79
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 self-XSS attack.
The weakness exists due to JavaScript in the about:webrtc
page is not sanitized properly being assigned to innerHTML
.
A remote attacker can inject and execute malicious script in a victim's
Web browser within the security context of the hosting Web site to
steal the victim's cookie-based authentication credentials.
Mitigation
Update to version 55.0.
Vulnerable software versions
Mozilla Firefox: 45.0 - 54.0
External links
http://www.mozilla.org/en-US/security/advisories/mfsa2017-18/
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.