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Exploits
ID:109 - Exploit for Security bypass in Mozilla products - CVE-2015-4495
ID:109 - Exploit for Security bypass in Mozilla products - CVE-2015-4495
Published: March 18, 2020
Vulnerability identifier: #VU1831
Vulnerability risk: Critical
CVE-ID: CVE-2015-4495
CWE-ID: CWE-20
Exploitation vector: Remote access
Vulnerable software:
Firefox ESR
Mozilla Firefox
Firefox OS
Firefox ESR
Mozilla Firefox
Firefox OS
Link to public exploit:
Vulnerability description
The vulnerabiity allows a remote attacker to bypass security restrictions on the target system.
The weakness exists due to improper input validation. A remote attacker can create a specially crafted PDF file, trick the victim into opening it, bypass same-origin policy and inject arbitrary JavaScript into the built-in PDF Viewer to gain access to arbitrary files on the system.
Successful exploitation of this vulnerability may result in access to local files and privilege escalation, leading to system compromise.
Note: the vulnerability was being actively exploited.
The weakness exists due to improper input validation. A remote attacker can create a specially crafted PDF file, trick the victim into opening it, bypass same-origin policy and inject arbitrary JavaScript into the built-in PDF Viewer to gain access to arbitrary files on the system.
Successful exploitation of this vulnerability may result in access to local files and privilege escalation, leading to system compromise.
Note: the vulnerability was being actively exploited.
Remediation
Update Mozilla Firefox to version 39.0.3, Mozilla Firefox ESR to version 38.1, Mozilla Firefox OS to version 2.2.