Improper input validation in Mozilla Firefox - CVE-2017-7798
Published: August 14, 2017
Vulnerability identifier: #VU7827
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2017-7798
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Mozilla
Affected software:
Mozilla Firefox
Mozilla Firefox
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The weakness exists due to improper sanitization of the web page source code. A remote attacker can trick the victim into visiting a specially crafted website with the style editor tool, trigger a XUL injection flaw in the Developer Tools feature and execute arbitrary code with privileges of the current user.
Successful exploitation of the vulnerability may result in system compromise.
The weakness exists due to improper sanitization of the web page source code. A remote attacker can trick the victim into visiting a specially crafted website with the style editor tool, trigger a XUL injection flaw in the Developer Tools feature and execute arbitrary code with privileges of the current user.
Successful exploitation of the vulnerability may result in system compromise.
How to mitigate CVE-2017-7798
Update to version 55.0.