Insecure DLL loading in Remote Support Agent - CVE-2017-5996

 

Insecure DLL loading in Remote Support Agent - CVE-2017-5996

Published: October 27, 2017 / Updated: October 30, 2017


Vulnerability identifier: #VU8980
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-5996
CWE-ID: CWE-427
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Bomgar
Affected software:
Remote Support Agent

Detailed vulnerability description

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists due to insecure .dll loading mechanism when opening files. A local attacker can place a file along with specially crafted .dll file in the Bomgar directory in 'C:\ProgramData\' and execute arbitrary code on the target system with elevated privileges.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


How to mitigate CVE-2017-5996

Update to version 15.2.3, 16.1.5 or 16.2.4.

Sources