#VU7069 Insecure DLL library loading in Firefox ESR - CVE-2017-7755
Published: June 14, 2017 / Updated: May 26, 2020
Vulnerability identifier: #VU7069
Vulnerability risk: High
CVSSv4.0: 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-2017-7755
CWE-ID: CWE-426
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Firefox ESR
Firefox ESR
Software vendor:
Mozilla
Mozilla
Description
The vulnerability allows a remote attacker to gain elevated privileges on the target system.
The vulnerability exists due to insecure .dll loading mechanism when opening files. A remote attacker can place a specially crafted .dll file along with installer on a remote SBM or WebDAV share, trick the victim into running the installer file from this directory and execute arbitrary code on the target system with privileges of the current victim.
Successful exploitation of the vulnerability may result in system compromise.
The vulnerability exists due to insecure .dll loading mechanism when opening files. A remote attacker can place a specially crafted .dll file along with installer on a remote SBM or WebDAV share, trick the victim into running the installer file from this directory and execute arbitrary code on the target system with privileges of the current victim.
Successful exploitation of the vulnerability may result in system compromise.
Remediation
Update to version 52.2.