Security restrictions bypass in Mozilla Firefox - CVE-2018-5168

Vulnerability identifier: #VU12551

CSH Severity: Low

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2018-5168

CWE-ID: CWE-264

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: Mozilla

Affected software:
Mozilla Firefox

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The weakness exists due to improper privileges or access controls. A remote attacker can manipulate the baseURI property of the theme element, bypass security restrictions and cause lightweight themes to be installed without user interaction which could contain offensive or embarrassing images.

Update to version 60.0.

• https://www.mozilla.org/en-US/security/advisories/mfsa2018-11/