Security restrictions bypass in Mozilla Firefox



Published: 2019-06-11
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-11702
CWE-ID CWE-749
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Mozilla Firefox
Client/Desktop applications / Web browsers

Vendor Mozilla

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Exposed dangerous method or function

EUVDB-ID: #VU18749

Risk: Low

CVSSv3.1: 3.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-11702

CWE-ID: CWE-749 - Exposed Dangerous Method or Function

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute dangerous files on the system.
The vulnerability exists due to the way Firefox handles hyperlinks to files associated with Internet Explorer, e.g. IE.HTTP:. A remote attacker can create a hyperlink that leads to a file at a known location and open it with Internet Explorer.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 61.0 - 67.0.1

External links

http://www.mozilla.org/en-US/security/advisories/mfsa2019-16/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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