Spoofing attack in Mozilla Firefox



Published: 2019-09-18
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-11754
CWE-ID CWE-264
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Mozilla Firefox
Client/Desktop applications / Web browsers

Vendor Mozilla

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU21197

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-11754

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform spoofing attacks.

The vulnerability exists due Firefox allows the requestPointerLock()method to manipulate mouse pointer lock without user notification. A remote attacker can create a specially crafted website, hijack mouse pointer and confuse the victim.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 66.0.2 - 69.0

External links

http://www.mozilla.org/en-US/security/advisories/mfsa2019-31/


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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