Permissions, Privileges, and Access Controls in Mozilla Firefox - CVE-2020-15648

Vulnerability identifier: #VU29631

CSH Severity: Medium

CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-15648

CWE-ID: CWE-264

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

The vulnerability exists due to Firefox does not correctly enforce he X-Frame-Options header. A remote attacker can create a specially crafted web page and frame other websites using object or embed tags.

Mozilla Firefox
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux Server - TUS
Opensuse
Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
firefox (Red Hat package)
Mozilla Thunderbird

Install updates from vendor's website.

Mozilla Firefox - update to 78.0.2
Mozilla Thunderbird - addressed in versions 68.10.0, 78.0
firefox (Red Hat package) - addressed in versions 78.2.0-2.el8_2, 78.2.0-3.el8_0, 78.2.0-3.el8_1, 78.3.0-1.el7_9

• https://www.mozilla.org/en-US/security/advisories/mfsa2020-28/

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• Red Hat Enterprise Linux 8 update for firefox
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• Red Hat Enterprise Linux 8 update for firefox
• Multiple vulnerabilities in Mozilla Thunderbird
• Red Hat Enterprise Linux 7 update for firefox