Vulnerability identifier: #VU32901

Vulnerability risk: Low

CVSSv3.1:

CVE-ID: CVE-2020-15653

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Mozilla Firefox
Client/Desktop applications / Web browsers
Firefox ESR
Client/Desktop applications / Web browsers

Vendor: Mozilla

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to application does not properly impose security restrictions, when allowing popups. A remote attacker can create a specially crafted web page with noopener links that may allow an attacker to bypass iframe sandbox for websites relying on sandbox configurations, if allow-popups flag is set.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Mozilla Firefox: 70.0 - 78.0.2

Firefox ESR: 78.0 - 78.0.2

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CPE

• cpe:2.3:a:mozilla:mozilla_firefox:78.0.2:*:*:*:*:*:*:*

External links
http://www.mozilla.org/en-US/security/advisories/mfsa2020-30/
http://www.mozilla.org/en-US/security/advisories/mfsa2020-32/

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?