Permissions, Privileges, and Access Controls in firefox-esr (Alpine package)



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-15653
CWE-ID CWE-264
Exploitation vector Network
Public exploit N/A
Vulnerable software
 firefox-esr (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU32901

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-2020-15653

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

Exploit availability: No

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 update from vendor's website.

Vulnerable software versions

firefox-esr (Alpine package): 78.0.2-r1

CPE2.3 External links

http://git.alpinelinux.org/aports/commit/?id=ecfc67fc0aa1c8be66b005da45f868c730633a4e
http://git.alpinelinux.org/aports/commit/?id=78431c6461742f7904f5cd815bbed5f76852a8aa
http://git.alpinelinux.org/aports/commit/?id=d28edc9bebe787d7cff81e5dc7200f5b78fd3797


Q & A

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.



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